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  • github/maticnetwork/bor
  • open/bor
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with 1074 additions and 223 deletions
......@@ -137,7 +137,7 @@ func (arguments Arguments) copyAtomic(v interface{}, marshalledValues interface{
dst := reflect.ValueOf(v).Elem()
src := reflect.ValueOf(marshalledValues)
if dst.Kind() == reflect.Struct && src.Kind() != reflect.Struct {
if dst.Kind() == reflect.Struct {
return set(dst.Field(0), src)
}
return set(dst, src)
......
......@@ -17,6 +17,7 @@
package bind
import (
"context"
"crypto/ecdsa"
"errors"
"io"
......@@ -74,6 +75,7 @@ func NewKeyStoreTransactor(keystore *keystore.KeyStore, account accounts.Account
}
return tx.WithSignature(signer, signature)
},
Context: context.Background(),
}, nil
}
......@@ -97,6 +99,7 @@ func NewKeyedTransactor(key *ecdsa.PrivateKey) *TransactOpts {
}
return tx.WithSignature(signer, signature)
},
Context: context.Background(),
}
}
......@@ -133,6 +136,7 @@ func NewKeyStoreTransactorWithChainID(keystore *keystore.KeyStore, account accou
}
return tx.WithSignature(signer, signature)
},
Context: context.Background(),
}, nil
}
......@@ -156,6 +160,7 @@ func NewKeyedTransactorWithChainID(key *ecdsa.PrivateKey, chainID *big.Int) (*Tr
}
return tx.WithSignature(signer, signature)
},
Context: context.Background(),
}, nil
}
......@@ -170,5 +175,6 @@ func NewClefTransactor(clef *external.ExternalSigner, account accounts.Account)
}
return clef.SignTx(account, transaction, nil) // Clef enforces its own chain id
},
Context: context.Background(),
}
}
......@@ -32,12 +32,12 @@ var (
// have any code associated with it (i.e. suicided).
ErrNoCode = errors.New("no contract code at given address")
// This error is raised when attempting to perform a pending state action
// ErrNoPendingState is raised when attempting to perform a pending state action
// on a backend that doesn't implement PendingContractCaller.
ErrNoPendingState = errors.New("backend does not support pending state")
// This error is returned by WaitDeployed if contract creation leaves an
// empty contract behind.
// ErrNoCodeAfterDeploy is returned by WaitDeployed if contract creation leaves
// an empty contract behind.
ErrNoCodeAfterDeploy = errors.New("no contract code after deployment")
)
......@@ -47,7 +47,8 @@ type ContractCaller interface {
// CodeAt returns the code of the given account. This is needed to differentiate
// between contract internal errors and the local chain being out of sync.
CodeAt(ctx context.Context, contract common.Address, blockNumber *big.Int) ([]byte, error)
// ContractCall executes an Ethereum contract call with the specified data as the
// CallContract executes an Ethereum contract call with the specified data as the
// input.
CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error)
}
......@@ -58,6 +59,7 @@ type ContractCaller interface {
type PendingContractCaller interface {
// PendingCodeAt returns the code of the given account in the pending state.
PendingCodeAt(ctx context.Context, contract common.Address) ([]byte, error)
// PendingCallContract executes an Ethereum contract call against the pending state.
PendingCallContract(ctx context.Context, call ethereum.CallMsg) ([]byte, error)
}
......@@ -67,19 +69,31 @@ type PendingContractCaller interface {
// used when the user does not provide some needed values, but rather leaves it up
// to the transactor to decide.
type ContractTransactor interface {
// HeaderByNumber returns a block header from the current canonical chain. If
// number is nil, the latest known header is returned.
HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error)
// PendingCodeAt returns the code of the given account in the pending state.
PendingCodeAt(ctx context.Context, account common.Address) ([]byte, error)
// PendingNonceAt retrieves the current pending nonce associated with an account.
PendingNonceAt(ctx context.Context, account common.Address) (uint64, error)
// SuggestGasPrice retrieves the currently suggested gas price to allow a timely
// execution of a transaction.
SuggestGasPrice(ctx context.Context) (*big.Int, error)
// SuggestGasTipCap retrieves the currently suggested 1559 priority fee to allow
// a timely execution of a transaction.
SuggestGasTipCap(ctx context.Context) (*big.Int, error)
// EstimateGas tries to estimate the gas needed to execute a specific
// transaction based on the current pending state of the backend blockchain.
// There is no guarantee that this is the true gas limit requirement as other
// transactions may be added or removed by miners, but it should provide a basis
// for setting a reasonable default.
EstimateGas(ctx context.Context, call ethereum.CallMsg) (gas uint64, err error)
// SendTransaction injects the transaction into the pending pool for execution.
SendTransaction(ctx context.Context, tx *types.Transaction) error
}
......
package backends
import (
"context"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
)
func (fb *filterBackend) GetBorBlockReceipt(ctx context.Context, hash common.Hash) (*types.Receipt, error) {
number := rawdb.ReadHeaderNumber(fb.db, hash)
if number == nil {
return nil, nil
}
receipt := rawdb.ReadRawBorReceipt(fb.db, hash, *number)
if receipt == nil {
return nil, nil
}
return receipt, nil
}
func (fb *filterBackend) GetBorBlockLogs(ctx context.Context, hash common.Hash) ([]*types.Log, error) {
receipt, err := fb.GetBorBlockReceipt(ctx, hash)
if err != nil || receipt == nil {
return nil, err
}
return receipt.Logs, nil
}
// SubscribeStateSyncEvent subscribes to state sync events
func (fb *filterBackend) SubscribeStateSyncEvent(ch chan<- core.StateSyncEvent) event.Subscription {
return fb.bc.SubscribeStateSyncEvent(ch)
}
......@@ -86,7 +86,7 @@ func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc core.Genesis
config: genesis.Config,
events: filters.NewEventSystem(&filterBackend{database, blockchain}, false),
}
backend.rollback()
backend.rollback(blockchain.CurrentBlock())
return backend
}
......@@ -112,7 +112,9 @@ func (b *SimulatedBackend) Commit() {
if _, err := b.blockchain.InsertChain([]*types.Block{b.pendingBlock}); err != nil {
panic(err) // This cannot happen unless the simulator is wrong, fail in that case
}
b.rollback()
// Using the last inserted block here makes it possible to build on a side
// chain after a fork.
b.rollback(b.pendingBlock)
}
// Rollback aborts all pending transactions, reverting to the last committed state.
......@@ -120,22 +122,49 @@ func (b *SimulatedBackend) Rollback() {
b.mu.Lock()
defer b.mu.Unlock()
b.rollback()
b.rollback(b.blockchain.CurrentBlock())
}
func (b *SimulatedBackend) rollback() {
blocks, _ := core.GenerateChain(b.config, b.blockchain.CurrentBlock(), ethash.NewFaker(), b.database, 1, func(int, *core.BlockGen) {})
func (b *SimulatedBackend) rollback(parent *types.Block) {
blocks, _ := core.GenerateChain(b.config, parent, ethash.NewFaker(), b.database, 1, func(int, *core.BlockGen) {})
b.pendingBlock = blocks[0]
b.pendingState, _ = state.New(b.pendingBlock.Root(), b.blockchain.StateCache(), nil)
}
// Fork creates a side-chain that can be used to simulate reorgs.
//
// This function should be called with the ancestor block where the new side
// chain should be started. Transactions (old and new) can then be applied on
// top and Commit-ed.
//
// Note, the side-chain will only become canonical (and trigger the events) when
// it becomes longer. Until then CallContract will still operate on the current
// canonical chain.
//
// There is a % chance that the side chain becomes canonical at the same length
// to simulate live network behavior.
func (b *SimulatedBackend) Fork(ctx context.Context, parent common.Hash) error {
b.mu.Lock()
defer b.mu.Unlock()
if len(b.pendingBlock.Transactions()) != 0 {
return errors.New("pending block dirty")
}
block, err := b.blockByHash(ctx, parent)
if err != nil {
return err
}
b.rollback(block)
return nil
}
// stateByBlockNumber retrieves a state by a given blocknumber.
func (b *SimulatedBackend) stateByBlockNumber(ctx context.Context, blockNumber *big.Int) (*state.StateDB, error) {
if blockNumber == nil || blockNumber.Cmp(b.blockchain.CurrentBlock().Number()) == 0 {
return b.blockchain.State()
}
block, err := b.blockByNumberNoLock(ctx, blockNumber)
block, err := b.blockByNumber(ctx, blockNumber)
if err != nil {
return nil, err
}
......@@ -228,6 +257,11 @@ func (b *SimulatedBackend) BlockByHash(ctx context.Context, hash common.Hash) (*
b.mu.Lock()
defer b.mu.Unlock()
return b.blockByHash(ctx, hash)
}
// blockByHash retrieves a block based on the block hash without Locking.
func (b *SimulatedBackend) blockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) {
if hash == b.pendingBlock.Hash() {
return b.pendingBlock, nil
}
......@@ -246,12 +280,12 @@ func (b *SimulatedBackend) BlockByNumber(ctx context.Context, number *big.Int) (
b.mu.Lock()
defer b.mu.Unlock()
return b.blockByNumberNoLock(ctx, number)
return b.blockByNumber(ctx, number)
}
// blockByNumberNoLock retrieves a block from the database by number, caching it
// blockByNumber retrieves a block from the database by number, caching it
// (associated with its hash) if found without Lock.
func (b *SimulatedBackend) blockByNumberNoLock(ctx context.Context, number *big.Int) (*types.Block, error) {
func (b *SimulatedBackend) blockByNumber(ctx context.Context, number *big.Int) (*types.Block, error) {
if number == nil || number.Cmp(b.pendingBlock.Number()) == 0 {
return b.blockchain.CurrentBlock(), nil
}
......@@ -431,6 +465,12 @@ func (b *SimulatedBackend) SuggestGasPrice(ctx context.Context) (*big.Int, error
return big.NewInt(1), nil
}
// SuggestGasTipCap implements ContractTransactor.SuggestGasTipCap. Since the simulated
// chain doesn't have miners, we just return a gas tip of 1 for any call.
func (b *SimulatedBackend) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
return big.NewInt(1), nil
}
// EstimateGas executes the requested code against the currently pending block/state and
// returns the used amount of gas.
func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMsg) (uint64, error) {
......@@ -448,8 +488,19 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMs
} else {
hi = b.pendingBlock.GasLimit()
}
// Normalize the max fee per gas the call is willing to spend.
var feeCap *big.Int
if call.GasPrice != nil && (call.GasFeeCap != nil || call.GasTipCap != nil) {
return 0, errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified")
} else if call.GasPrice != nil {
feeCap = call.GasPrice
} else if call.GasFeeCap != nil {
feeCap = call.GasFeeCap
} else {
feeCap = common.Big0
}
// Recap the highest gas allowance with account's balance.
if call.GasPrice != nil && call.GasPrice.BitLen() != 0 {
if feeCap.BitLen() != 0 {
balance := b.pendingState.GetBalance(call.From) // from can't be nil
available := new(big.Int).Set(balance)
if call.Value != nil {
......@@ -458,14 +509,14 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMs
}
available.Sub(available, call.Value)
}
allowance := new(big.Int).Div(available, call.GasPrice)
allowance := new(big.Int).Div(available, feeCap)
if allowance.IsUint64() && hi > allowance.Uint64() {
transfer := call.Value
if transfer == nil {
transfer = new(big.Int)
}
log.Warn("Gas estimation capped by limited funds", "original", hi, "balance", balance,
"sent", transfer, "gasprice", call.GasPrice, "fundable", allowance)
"sent", transfer, "feecap", feeCap, "fundable", allowance)
hi = allowance.Uint64()
}
}
......@@ -527,10 +578,38 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMs
// callContract implements common code between normal and pending contract calls.
// state is modified during execution, make sure to copy it if necessary.
func (b *SimulatedBackend) callContract(ctx context.Context, call ethereum.CallMsg, block *types.Block, stateDB *state.StateDB) (*core.ExecutionResult, error) {
// Ensure message is initialized properly.
if call.GasPrice == nil {
call.GasPrice = big.NewInt(1)
// Gas prices post 1559 need to be initialized
if call.GasPrice != nil && (call.GasFeeCap != nil || call.GasTipCap != nil) {
return nil, errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified")
}
head := b.blockchain.CurrentHeader()
if !b.blockchain.Config().IsLondon(head.Number) {
// If there's no basefee, then it must be a non-1559 execution
if call.GasPrice == nil {
call.GasPrice = new(big.Int)
}
call.GasFeeCap, call.GasTipCap = call.GasPrice, call.GasPrice
} else {
// A basefee is provided, necessitating 1559-type execution
if call.GasPrice != nil {
// User specified the legacy gas field, convert to 1559 gas typing
call.GasFeeCap, call.GasTipCap = call.GasPrice, call.GasPrice
} else {
// User specified 1559 gas feilds (or none), use those
if call.GasFeeCap == nil {
call.GasFeeCap = new(big.Int)
}
if call.GasTipCap == nil {
call.GasTipCap = new(big.Int)
}
// Backfill the legacy gasPrice for EVM execution, unless we're all zeroes
call.GasPrice = new(big.Int)
if call.GasFeeCap.BitLen() > 0 || call.GasTipCap.BitLen() > 0 {
call.GasPrice = math.BigMin(new(big.Int).Add(call.GasTipCap, head.BaseFee), call.GasFeeCap)
}
}
}
// Ensure message is initialized properly.
if call.Gas == 0 {
call.Gas = 50000000
}
......@@ -547,7 +626,7 @@ func (b *SimulatedBackend) callContract(ctx context.Context, call ethereum.CallM
evmContext := core.NewEVMBlockContext(block.Header(), b.blockchain, nil)
// Create a new environment which holds all relevant information
// about the transaction and calling mechanisms.
vmEnv := vm.NewEVM(evmContext, txContext, stateDB, b.config, vm.Config{})
vmEnv := vm.NewEVM(evmContext, txContext, stateDB, b.config, vm.Config{NoBaseFee: true})
gasPool := new(core.GasPool).AddGas(math.MaxUint64)
return core.NewStateTransition(vmEnv, msg, gasPool).TransitionDb()
......@@ -559,8 +638,12 @@ func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transa
b.mu.Lock()
defer b.mu.Unlock()
// Check transaction validity.
block := b.blockchain.CurrentBlock()
// Get the last block
block, err := b.blockByHash(ctx, b.pendingBlock.ParentHash())
if err != nil {
panic("could not fetch parent")
}
// Check transaction validity
signer := types.MakeSigner(b.blockchain.Config(), block.Number())
sender, err := types.Sender(signer, tx)
if err != nil {
......@@ -570,8 +653,7 @@ func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transa
if tx.Nonce() != nonce {
panic(fmt.Errorf("invalid transaction nonce: got %d, want %d", tx.Nonce(), nonce))
}
// Include tx in chain.
// Include tx in chain
blocks, _ := core.GenerateChain(b.config, block, ethash.NewFaker(), b.database, 1, func(number int, block *core.BlockGen) {
for _, tx := range b.pendingBlock.Transactions() {
block.AddTxWithChain(b.blockchain, tx)
......@@ -713,9 +795,11 @@ type callMsg struct {
func (m callMsg) From() common.Address { return m.CallMsg.From }
func (m callMsg) Nonce() uint64 { return 0 }
func (m callMsg) CheckNonce() bool { return false }
func (m callMsg) IsFake() bool { return true }
func (m callMsg) To() *common.Address { return m.CallMsg.To }
func (m callMsg) GasPrice() *big.Int { return m.CallMsg.GasPrice }
func (m callMsg) GasFeeCap() *big.Int { return m.CallMsg.GasFeeCap }
func (m callMsg) GasTipCap() *big.Int { return m.CallMsg.GasTipCap }
func (m callMsg) Gas() uint64 { return m.CallMsg.Gas }
func (m callMsg) Value() *big.Int { return m.CallMsg.Value }
func (m callMsg) Data() []byte { return m.CallMsg.Data }
......
......@@ -21,6 +21,8 @@ import (
"errors"
"fmt"
"math/big"
"strings"
"sync"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts/abi"
......@@ -49,9 +51,11 @@ type TransactOpts struct {
Nonce *big.Int // Nonce to use for the transaction execution (nil = use pending state)
Signer SignerFn // Method to use for signing the transaction (mandatory)
Value *big.Int // Funds to transfer along the transaction (nil = 0 = no funds)
GasPrice *big.Int // Gas price to use for the transaction execution (nil = gas price oracle)
GasLimit uint64 // Gas limit to set for the transaction execution (0 = estimate)
Value *big.Int // Funds to transfer along the transaction (nil = 0 = no funds)
GasPrice *big.Int // Gas price to use for the transaction execution (nil = gas price oracle)
GasFeeCap *big.Int // Gas fee cap to use for the 1559 transaction execution (nil = gas price oracle)
GasTipCap *big.Int // Gas priority fee cap to use for the 1559 transaction execution (nil = gas price oracle)
GasLimit uint64 // Gas limit to set for the transaction execution (0 = estimate)
Context context.Context // Network context to support cancellation and timeouts (nil = no timeout)
......@@ -74,6 +78,29 @@ type WatchOpts struct {
Context context.Context // Network context to support cancellation and timeouts (nil = no timeout)
}
// MetaData collects all metadata for a bound contract.
type MetaData struct {
mu sync.Mutex
Sigs map[string]string
Bin string
ABI string
ab *abi.ABI
}
func (m *MetaData) GetAbi() (*abi.ABI, error) {
m.mu.Lock()
defer m.mu.Unlock()
if m.ab != nil {
return m.ab, nil
}
if parsed, err := abi.JSON(strings.NewReader(m.ABI)); err != nil {
return nil, err
} else {
m.ab = &parsed
}
return m.ab, nil
}
// BoundContract is the base wrapper object that reflects a contract on the
// Ethereum network. It contains a collection of methods that are used by the
// higher level contract bindings to operate.
......@@ -204,57 +231,158 @@ func (c *BoundContract) Transfer(opts *TransactOpts) (*types.Transaction, error)
return c.transact(opts, &c.address, nil)
}
// transact executes an actual transaction invocation, first deriving any missing
// authorization fields, and then scheduling the transaction for execution.
func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, input []byte) (*types.Transaction, error) {
var err error
// Ensure a valid value field and resolve the account nonce
func (c *BoundContract) createDynamicTx(opts *TransactOpts, contract *common.Address, input []byte, head *types.Header) (*types.Transaction, error) {
// Normalize value
value := opts.Value
if value == nil {
value = new(big.Int)
}
var nonce uint64
if opts.Nonce == nil {
nonce, err = c.transactor.PendingNonceAt(ensureContext(opts.Context), opts.From)
// Estimate TipCap
gasTipCap := opts.GasTipCap
if gasTipCap == nil {
tip, err := c.transactor.SuggestGasTipCap(ensureContext(opts.Context))
if err != nil {
return nil, fmt.Errorf("failed to retrieve account nonce: %v", err)
return nil, err
}
} else {
nonce = opts.Nonce.Uint64()
gasTipCap = tip
}
// Estimate FeeCap
gasFeeCap := opts.GasFeeCap
if gasFeeCap == nil {
gasFeeCap = new(big.Int).Add(
gasTipCap,
new(big.Int).Mul(head.BaseFee, big.NewInt(2)),
)
}
if gasFeeCap.Cmp(gasTipCap) < 0 {
return nil, fmt.Errorf("maxFeePerGas (%v) < maxPriorityFeePerGas (%v)", gasFeeCap, gasTipCap)
}
// Estimate GasLimit
gasLimit := opts.GasLimit
if opts.GasLimit == 0 {
var err error
gasLimit, err = c.estimateGasLimit(opts, contract, input, nil, gasTipCap, gasFeeCap, value)
if err != nil {
return nil, err
}
}
// create the transaction
nonce, err := c.getNonce(opts)
if err != nil {
return nil, err
}
baseTx := &types.DynamicFeeTx{
To: contract,
Nonce: nonce,
GasFeeCap: gasFeeCap,
GasTipCap: gasTipCap,
Gas: gasLimit,
Value: value,
Data: input,
}
return types.NewTx(baseTx), nil
}
func (c *BoundContract) createLegacyTx(opts *TransactOpts, contract *common.Address, input []byte) (*types.Transaction, error) {
if opts.GasFeeCap != nil || opts.GasTipCap != nil {
return nil, errors.New("maxFeePerGas or maxPriorityFeePerGas specified but london is not active yet")
}
// Normalize value
value := opts.Value
if value == nil {
value = new(big.Int)
}
// Figure out the gas allowance and gas price values
// Estimate GasPrice
gasPrice := opts.GasPrice
if gasPrice == nil {
gasPrice, err = c.transactor.SuggestGasPrice(ensureContext(opts.Context))
price, err := c.transactor.SuggestGasPrice(ensureContext(opts.Context))
if err != nil {
return nil, fmt.Errorf("failed to suggest gas price: %v", err)
return nil, err
}
gasPrice = price
}
// Estimate GasLimit
gasLimit := opts.GasLimit
if gasLimit == 0 {
// Gas estimation cannot succeed without code for method invocations
if contract != nil {
if code, err := c.transactor.PendingCodeAt(ensureContext(opts.Context), c.address); err != nil {
return nil, err
} else if len(code) == 0 {
return nil, ErrNoCode
}
}
// If the contract surely has code (or code is not needed), estimate the transaction
msg := ethereum.CallMsg{From: opts.From, To: contract, GasPrice: gasPrice, Value: value, Data: input}
gasLimit, err = c.transactor.EstimateGas(ensureContext(opts.Context), msg)
if opts.GasLimit == 0 {
var err error
gasLimit, err = c.estimateGasLimit(opts, contract, input, gasPrice, nil, nil, value)
if err != nil {
return nil, fmt.Errorf("failed to estimate gas needed: %v", err)
return nil, err
}
}
// create the transaction
nonce, err := c.getNonce(opts)
if err != nil {
return nil, err
}
baseTx := &types.LegacyTx{
To: contract,
Nonce: nonce,
GasPrice: gasPrice,
Gas: gasLimit,
Value: value,
Data: input,
}
return types.NewTx(baseTx), nil
}
func (c *BoundContract) estimateGasLimit(opts *TransactOpts, contract *common.Address, input []byte, gasPrice, gasTipCap, gasFeeCap, value *big.Int) (uint64, error) {
if contract != nil {
// Gas estimation cannot succeed without code for method invocations.
if code, err := c.transactor.PendingCodeAt(ensureContext(opts.Context), c.address); err != nil {
return 0, err
} else if len(code) == 0 {
return 0, ErrNoCode
}
}
// Create the transaction, sign it and schedule it for execution
var rawTx *types.Transaction
if contract == nil {
rawTx = types.NewContractCreation(nonce, value, gasLimit, gasPrice, input)
msg := ethereum.CallMsg{
From: opts.From,
To: contract,
GasPrice: gasPrice,
GasTipCap: gasTipCap,
GasFeeCap: gasFeeCap,
Value: value,
Data: input,
}
return c.transactor.EstimateGas(ensureContext(opts.Context), msg)
}
func (c *BoundContract) getNonce(opts *TransactOpts) (uint64, error) {
if opts.Nonce == nil {
return c.transactor.PendingNonceAt(ensureContext(opts.Context), opts.From)
} else {
rawTx = types.NewTransaction(nonce, c.address, value, gasLimit, gasPrice, input)
return opts.Nonce.Uint64(), nil
}
}
// transact executes an actual transaction invocation, first deriving any missing
// authorization fields, and then scheduling the transaction for execution.
func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, input []byte) (*types.Transaction, error) {
if opts.GasPrice != nil && (opts.GasFeeCap != nil || opts.GasTipCap != nil) {
return nil, errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified")
}
// Create the transaction
var (
rawTx *types.Transaction
err error
)
if opts.GasPrice != nil {
rawTx, err = c.createLegacyTx(opts, contract, input)
} else {
// Only query for basefee if gasPrice not specified
if head, errHead := c.transactor.HeaderByNumber(ensureContext(opts.Context), nil); err != nil {
return nil, errHead
} else if head.BaseFee != nil {
rawTx, err = c.createDynamicTx(opts, contract, input, head)
} else {
// Chain is not London ready -> use legacy transaction
rawTx, err = c.createLegacyTx(opts, contract, input)
}
}
if err != nil {
return nil, err
}
// Sign the transaction and schedule it for execution
if opts.Signer == nil {
return nil, errors.New("no signer to authorize the transaction with")
}
......@@ -353,6 +481,9 @@ func (c *BoundContract) WatchLogs(opts *WatchOpts, name string, query ...[]inter
// UnpackLog unpacks a retrieved log into the provided output structure.
func (c *BoundContract) UnpackLog(out interface{}, event string, log types.Log) error {
if log.Topics[0] != c.abi.Events[event].ID {
return fmt.Errorf("event signature mismatch")
}
if len(log.Data) > 0 {
if err := c.abi.UnpackIntoInterface(out, event, log.Data); err != nil {
return err
......@@ -369,6 +500,9 @@ func (c *BoundContract) UnpackLog(out interface{}, event string, log types.Log)
// UnpackLogIntoMap unpacks a retrieved log into the provided map.
func (c *BoundContract) UnpackLogIntoMap(out map[string]interface{}, event string, log types.Log) error {
if log.Topics[0] != c.abi.Events[event].ID {
return fmt.Errorf("event signature mismatch")
}
if len(log.Data) > 0 {
if err := c.abi.UnpackIntoMap(out, event, log.Data); err != nil {
return err
......@@ -387,7 +521,7 @@ func (c *BoundContract) UnpackLogIntoMap(out map[string]interface{}, event strin
// user specified it as such.
func ensureContext(ctx context.Context) context.Context {
if ctx == nil {
return context.TODO()
return context.Background()
}
return ctx
}
......@@ -31,8 +31,49 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/rlp"
"github.com/stretchr/testify/assert"
)
func mockSign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) { return tx, nil }
type mockTransactor struct {
baseFee *big.Int
gasTipCap *big.Int
gasPrice *big.Int
suggestGasTipCapCalled bool
suggestGasPriceCalled bool
}
func (mt *mockTransactor) HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error) {
return &types.Header{BaseFee: mt.baseFee}, nil
}
func (mt *mockTransactor) PendingCodeAt(ctx context.Context, account common.Address) ([]byte, error) {
return []byte{1}, nil
}
func (mt *mockTransactor) PendingNonceAt(ctx context.Context, account common.Address) (uint64, error) {
return 0, nil
}
func (mt *mockTransactor) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
mt.suggestGasPriceCalled = true
return mt.gasPrice, nil
}
func (mt *mockTransactor) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
mt.suggestGasTipCapCalled = true
return mt.gasTipCap, nil
}
func (mt *mockTransactor) EstimateGas(ctx context.Context, call ethereum.CallMsg) (gas uint64, err error) {
return 0, nil
}
func (mt *mockTransactor) SendTransaction(ctx context.Context, tx *types.Transaction) error {
return nil
}
type mockCaller struct {
codeAtBlockNumber *big.Int
callContractBlockNumber *big.Int
......@@ -110,7 +151,7 @@ const hexData = "0x000000000000000000000000376c47978271565f56deb45495afa69e59c16
func TestUnpackIndexedStringTyLogIntoMap(t *testing.T) {
hash := crypto.Keccak256Hash([]byte("testName"))
topics := []common.Hash{
common.HexToHash("0x0"),
crypto.Keccak256Hash([]byte("received(string,address,uint256,bytes)")),
hash,
}
mockLog := newMockLog(topics, common.HexToHash("0x0"))
......@@ -135,7 +176,7 @@ func TestUnpackIndexedSliceTyLogIntoMap(t *testing.T) {
}
hash := crypto.Keccak256Hash(sliceBytes)
topics := []common.Hash{
common.HexToHash("0x0"),
crypto.Keccak256Hash([]byte("received(string[],address,uint256,bytes)")),
hash,
}
mockLog := newMockLog(topics, common.HexToHash("0x0"))
......@@ -160,7 +201,7 @@ func TestUnpackIndexedArrayTyLogIntoMap(t *testing.T) {
}
hash := crypto.Keccak256Hash(arrBytes)
topics := []common.Hash{
common.HexToHash("0x0"),
crypto.Keccak256Hash([]byte("received(address[2],address,uint256,bytes)")),
hash,
}
mockLog := newMockLog(topics, common.HexToHash("0x0"))
......@@ -187,7 +228,7 @@ func TestUnpackIndexedFuncTyLogIntoMap(t *testing.T) {
var functionTy [24]byte
copy(functionTy[:], functionTyBytes[0:24])
topics := []common.Hash{
common.HexToHash("0x99b5620489b6ef926d4518936cfec15d305452712b88bd59da2d9c10fb0953e8"),
crypto.Keccak256Hash([]byte("received(function,address,uint256,bytes)")),
common.BytesToHash(functionTyBytes),
}
mockLog := newMockLog(topics, common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42"))
......@@ -208,7 +249,7 @@ func TestUnpackIndexedBytesTyLogIntoMap(t *testing.T) {
bytes := []byte{1, 2, 3, 4, 5}
hash := crypto.Keccak256Hash(bytes)
topics := []common.Hash{
common.HexToHash("0x99b5620489b6ef926d4518936cfec15d305452712b88bd59da2d9c10fb0953e8"),
crypto.Keccak256Hash([]byte("received(bytes,address,uint256,bytes)")),
hash,
}
mockLog := newMockLog(topics, common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42"))
......@@ -226,6 +267,51 @@ func TestUnpackIndexedBytesTyLogIntoMap(t *testing.T) {
unpackAndCheck(t, bc, expectedReceivedMap, mockLog)
}
func TestTransactGasFee(t *testing.T) {
assert := assert.New(t)
// GasTipCap and GasFeeCap
// When opts.GasTipCap and opts.GasFeeCap are nil
mt := &mockTransactor{baseFee: big.NewInt(100), gasTipCap: big.NewInt(5)}
bc := bind.NewBoundContract(common.Address{}, abi.ABI{}, nil, mt, nil)
opts := &bind.TransactOpts{Signer: mockSign}
tx, err := bc.Transact(opts, "")
assert.Nil(err)
assert.Equal(big.NewInt(5), tx.GasTipCap())
assert.Equal(big.NewInt(205), tx.GasFeeCap())
assert.Nil(opts.GasTipCap)
assert.Nil(opts.GasFeeCap)
assert.True(mt.suggestGasTipCapCalled)
// Second call to Transact should use latest suggested GasTipCap
mt.gasTipCap = big.NewInt(6)
mt.suggestGasTipCapCalled = false
tx, err = bc.Transact(opts, "")
assert.Nil(err)
assert.Equal(big.NewInt(6), tx.GasTipCap())
assert.Equal(big.NewInt(206), tx.GasFeeCap())
assert.True(mt.suggestGasTipCapCalled)
// GasPrice
// When opts.GasPrice is nil
mt = &mockTransactor{gasPrice: big.NewInt(5)}
bc = bind.NewBoundContract(common.Address{}, abi.ABI{}, nil, mt, nil)
opts = &bind.TransactOpts{Signer: mockSign}
tx, err = bc.Transact(opts, "")
assert.Nil(err)
assert.Equal(big.NewInt(5), tx.GasPrice())
assert.Nil(opts.GasPrice)
assert.True(mt.suggestGasPriceCalled)
// Second call to Transact should use latest suggested GasPrice
mt.gasPrice = big.NewInt(6)
mt.suggestGasPriceCalled = false
tx, err = bc.Transact(opts, "")
assert.Nil(err)
assert.Equal(big.NewInt(6), tx.GasPrice())
assert.True(mt.suggestGasPriceCalled)
}
func unpackAndCheck(t *testing.T, bc *bind.BoundContract, expected map[string]interface{}, mockLog types.Log) {
received := make(map[string]interface{})
if err := bc.UnpackLogIntoMap(received, "received", mockLog); err != nil {
......
......@@ -298,7 +298,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy an interaction tester contract and call a transaction on it
......@@ -353,7 +353,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a tuple tester contract and execute a structured call on it
......@@ -399,7 +399,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a tuple tester contract and execute a structured call on it
......@@ -457,7 +457,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a slice tester contract and execute a n array call on it
......@@ -505,7 +505,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a default method invoker contract and execute its default method
......@@ -571,7 +571,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a structs method invoker contract and execute its default method
......@@ -703,7 +703,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a funky gas pattern contract
......@@ -753,7 +753,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a sender tester contract and execute a structured call on it
......@@ -828,7 +828,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a underscorer tester contract and execute a structured call on it
......@@ -922,7 +922,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy an eventer contract
......@@ -1112,7 +1112,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
//deploy the test contract
......@@ -1247,7 +1247,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
_, _, contract, err := DeployTuple(auth, sim)
......@@ -1389,7 +1389,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
//deploy the test contract
......@@ -1454,7 +1454,7 @@ var bindTests = []struct {
// Initialize test accounts
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// deploy the test contract
......@@ -1544,7 +1544,7 @@ var bindTests = []struct {
addr := crypto.PubkeyToAddress(key.PublicKey)
// Deploy registrar contract
sim := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(1000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
transactOpts, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
......@@ -1606,7 +1606,7 @@ var bindTests = []struct {
addr := crypto.PubkeyToAddress(key.PublicKey)
// Deploy registrar contract
sim := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(1000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
transactOpts, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
......@@ -1668,7 +1668,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}, 10000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a tester contract and execute a structured call on it
......@@ -1728,7 +1728,7 @@ var bindTests = []struct {
key, _ := crypto.GenerateKey()
addr := crypto.PubkeyToAddress(key.PublicKey)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(1000000000)}}, 1000000)
sim := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(10000000000000000)}}, 1000000)
defer sim.Close()
opts, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
......@@ -1785,6 +1785,132 @@ var bindTests = []struct {
nil,
nil,
},
// Test resolving single struct argument
{
`NewSingleStructArgument`,
`
pragma solidity ^0.8.0;
contract NewSingleStructArgument {
struct MyStruct{
uint256 a;
uint256 b;
}
event StructEvent(MyStruct s);
function TestEvent() public {
emit StructEvent(MyStruct({a: 1, b: 2}));
}
}
`,
[]string{"608060405234801561001057600080fd5b50610113806100206000396000f3fe6080604052348015600f57600080fd5b506004361060285760003560e01c806324ec1d3f14602d575b600080fd5b60336035565b005b7fb4b2ff75e30cb4317eaae16dd8a187dd89978df17565104caa6c2797caae27d460405180604001604052806001815260200160028152506040516078919060ba565b60405180910390a1565b6040820160008201516096600085018260ad565b50602082015160a7602085018260ad565b50505050565b60b48160d3565b82525050565b600060408201905060cd60008301846082565b92915050565b600081905091905056fea26469706673582212208823628796125bf9941ce4eda18da1be3cf2931b231708ab848e1bd7151c0c9a64736f6c63430008070033"},
[]string{`[{"anonymous":false,"inputs":[{"components":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"uint256","name":"b","type":"uint256"}],"indexed":false,"internalType":"struct Test.MyStruct","name":"s","type":"tuple"}],"name":"StructEvent","type":"event"},{"inputs":[],"name":"TestEvent","outputs":[],"stateMutability":"nonpayable","type":"function"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth/ethconfig"
`,
`
var (
key, _ = crypto.GenerateKey()
user, _ = bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim = backends.NewSimulatedBackend(core.GenesisAlloc{user.From: {Balance: big.NewInt(1000000000000000000)}}, ethconfig.Defaults.Miner.GasCeil)
)
defer sim.Close()
_, _, d, err := DeployNewSingleStructArgument(user, sim)
if err != nil {
t.Fatalf("Failed to deploy contract %v", err)
}
sim.Commit()
_, err = d.TestEvent(user)
if err != nil {
t.Fatalf("Failed to call contract %v", err)
}
sim.Commit()
it, err := d.FilterStructEvent(nil)
if err != nil {
t.Fatalf("Failed to filter contract event %v", err)
}
var count int
for it.Next() {
if it.Event.S.A.Cmp(big.NewInt(1)) != 0 {
t.Fatal("Unexpected contract event")
}
if it.Event.S.B.Cmp(big.NewInt(2)) != 0 {
t.Fatal("Unexpected contract event")
}
count += 1
}
if count != 1 {
t.Fatal("Unexpected contract event number")
}
`,
nil,
nil,
nil,
nil,
},
// Test errors introduced in v0.8.4
{
`NewErrors`,
`
pragma solidity >0.8.4;
contract NewErrors {
error MyError(uint256);
error MyError1(uint256);
error MyError2(uint256, uint256);
error MyError3(uint256 a, uint256 b, uint256 c);
function Error() public pure {
revert MyError3(1,2,3);
}
}
`,
[]string{"0x6080604052348015600f57600080fd5b5060998061001e6000396000f3fe6080604052348015600f57600080fd5b506004361060285760003560e01c8063726c638214602d575b600080fd5b60336035565b005b60405163024876cd60e61b815260016004820152600260248201526003604482015260640160405180910390fdfea264697066735822122093f786a1bc60216540cd999fbb4a6109e0fef20abcff6e9107fb2817ca968f3c64736f6c63430008070033"},
[]string{`[{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"MyError","type":"error"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"MyError1","type":"error"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"MyError2","type":"error"},{"inputs":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"uint256","name":"b","type":"uint256"},{"internalType":"uint256","name":"c","type":"uint256"}],"name":"MyError3","type":"error"},{"inputs":[],"name":"Error","outputs":[],"stateMutability":"pure","type":"function"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth/ethconfig"
`,
`
var (
key, _ = crypto.GenerateKey()
user, _ = bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim = backends.NewSimulatedBackend(core.GenesisAlloc{user.From: {Balance: big.NewInt(1000000000000000000)}}, ethconfig.Defaults.Miner.GasCeil)
)
defer sim.Close()
_, tx, contract, err := DeployNewErrors(user, sim)
if err != nil {
t.Fatal(err)
}
sim.Commit()
_, err = bind.WaitDeployed(nil, sim, tx)
if err != nil {
t.Error(err)
}
if err := contract.Error(new(bind.CallOpts)); err == nil {
t.Fatalf("expected contract to throw error")
}
// TODO (MariusVanDerWijden unpack error using abigen
// once that is implemented
`,
nil,
nil,
nil,
nil,
},
}
// Tests that packages generated by the binder can be successfully compiled and
......
......@@ -90,6 +90,7 @@ package {{.Package}}
import (
"math/big"
"strings"
"errors"
ethereum "github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts/abi"
......@@ -101,6 +102,7 @@ import (
// Reference imports to suppress errors if they are not otherwise used.
var (
_ = errors.New
_ = big.NewInt
_ = strings.NewReader
_ = ethereum.NotFound
......@@ -120,32 +122,48 @@ var (
{{end}}
{{range $contract := .Contracts}}
// {{.Type}}MetaData contains all meta data concerning the {{.Type}} contract.
var {{.Type}}MetaData = &bind.MetaData{
ABI: "{{.InputABI}}",
{{if $contract.FuncSigs -}}
Sigs: map[string]string{
{{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}",
{{end}}
},
{{end -}}
{{if .InputBin -}}
Bin: "0x{{.InputBin}}",
{{end}}
}
// {{.Type}}ABI is the input ABI used to generate the binding from.
const {{.Type}}ABI = "{{.InputABI}}"
// Deprecated: Use {{.Type}}MetaData.ABI instead.
var {{.Type}}ABI = {{.Type}}MetaData.ABI
{{if $contract.FuncSigs}}
// Deprecated: Use {{.Type}}MetaData.Sigs instead.
// {{.Type}}FuncSigs maps the 4-byte function signature to its string representation.
var {{.Type}}FuncSigs = map[string]string{
{{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}",
{{end}}
}
var {{.Type}}FuncSigs = {{.Type}}MetaData.Sigs
{{end}}
{{if .InputBin}}
// {{.Type}}Bin is the compiled bytecode used for deploying new contracts.
var {{.Type}}Bin = "0x{{.InputBin}}"
// Deprecated: Use {{.Type}}MetaData.Bin instead.
var {{.Type}}Bin = {{.Type}}MetaData.Bin
// Deploy{{.Type}} deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type $structs}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) {
parsed, err := abi.JSON(strings.NewReader({{.Type}}ABI))
parsed, err := {{.Type}}MetaData.GetAbi()
if err != nil {
return common.Address{}, nil, nil, err
}
if parsed == nil {
return common.Address{}, nil, nil, errors.New("GetABI returned nil")
}
{{range $pattern, $name := .Libraries}}
{{decapitalise $name}}Addr, _, _, _ := Deploy{{capitalise $name}}(auth, backend)
{{$contract.Type}}Bin = strings.Replace({{$contract.Type}}Bin, "__${{$pattern}}$__", {{decapitalise $name}}Addr.String()[2:], -1)
{{end}}
address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex({{.Type}}Bin), backend {{range .Constructor.Inputs}}, {{.Name}}{{end}})
address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex({{.Type}}Bin), backend {{range .Constructor.Inputs}}, {{.Name}}{{end}})
if err != nil {
return common.Address{}, nil, nil, err
}
......
......@@ -56,14 +56,17 @@ func TestWaitDeployed(t *testing.T) {
for name, test := range waitDeployedTests {
backend := backends.NewSimulatedBackend(
core.GenesisAlloc{
crypto.PubkeyToAddress(testKey.PublicKey): {Balance: big.NewInt(10000000000)},
crypto.PubkeyToAddress(testKey.PublicKey): {Balance: big.NewInt(10000000000000000)},
},
10000000,
)
defer backend.Close()
// Create the transaction.
tx := types.NewContractCreation(0, big.NewInt(0), test.gas, big.NewInt(1), common.FromHex(test.code))
// Create the transaction
head, _ := backend.HeaderByNumber(context.Background(), nil) // Should be child's, good enough
gasPrice := new(big.Int).Add(head.BaseFee, big.NewInt(1))
tx := types.NewContractCreation(0, big.NewInt(0), test.gas, gasPrice, common.FromHex(test.code))
tx, _ = types.SignTx(tx, types.HomesteadSigner{}, testKey)
// Wait for it to get mined in the background.
......@@ -99,15 +102,18 @@ func TestWaitDeployed(t *testing.T) {
func TestWaitDeployedCornerCases(t *testing.T) {
backend := backends.NewSimulatedBackend(
core.GenesisAlloc{
crypto.PubkeyToAddress(testKey.PublicKey): {Balance: big.NewInt(10000000000)},
crypto.PubkeyToAddress(testKey.PublicKey): {Balance: big.NewInt(10000000000000000)},
},
10000000,
)
defer backend.Close()
head, _ := backend.HeaderByNumber(context.Background(), nil) // Should be child's, good enough
gasPrice := new(big.Int).Add(head.BaseFee, big.NewInt(1))
// Create a transaction to an account.
code := "6060604052600a8060106000396000f360606040526008565b00"
tx := types.NewTransaction(0, common.HexToAddress("0x01"), big.NewInt(0), 3000000, big.NewInt(1), common.FromHex(code))
tx := types.NewTransaction(0, common.HexToAddress("0x01"), big.NewInt(0), 3000000, gasPrice, common.FromHex(code))
tx, _ = types.SignTx(tx, types.HomesteadSigner{}, testKey)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
......@@ -119,7 +125,7 @@ func TestWaitDeployedCornerCases(t *testing.T) {
}
// Create a transaction that is not mined.
tx = types.NewContractCreation(1, big.NewInt(0), 3000000, big.NewInt(1), common.FromHex(code))
tx = types.NewContractCreation(1, big.NewInt(0), 3000000, gasPrice, common.FromHex(code))
tx, _ = types.SignTx(tx, types.HomesteadSigner{}, testKey)
go func() {
......
// Copyright 2016 The go-ethereum Authors
// Copyright 2021 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
......@@ -17,66 +17,75 @@
package abi
import (
"bytes"
"errors"
"fmt"
"reflect"
)
"strings"
var (
errBadBool = errors.New("abi: improperly encoded boolean value")
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
)
// formatSliceString formats the reflection kind with the given slice size
// and returns a formatted string representation.
func formatSliceString(kind reflect.Kind, sliceSize int) string {
if sliceSize == -1 {
return fmt.Sprintf("[]%v", kind)
}
return fmt.Sprintf("[%d]%v", sliceSize, kind)
type Error struct {
Name string
Inputs Arguments
str string
// Sig contains the string signature according to the ABI spec.
// e.g. event foo(uint32 a, int b) = "foo(uint32,int256)"
// Please note that "int" is substitute for its canonical representation "int256"
Sig string
// ID returns the canonical representation of the event's signature used by the
// abi definition to identify event names and types.
ID common.Hash
}
// sliceTypeCheck checks that the given slice can by assigned to the reflection
// type in t.
func sliceTypeCheck(t Type, val reflect.Value) error {
if val.Kind() != reflect.Slice && val.Kind() != reflect.Array {
return typeErr(formatSliceString(t.GetType().Kind(), t.Size), val.Type())
func NewError(name string, inputs Arguments) Error {
// sanitize inputs to remove inputs without names
// and precompute string and sig representation.
names := make([]string, len(inputs))
types := make([]string, len(inputs))
for i, input := range inputs {
if input.Name == "" {
inputs[i] = Argument{
Name: fmt.Sprintf("arg%d", i),
Indexed: input.Indexed,
Type: input.Type,
}
} else {
inputs[i] = input
}
// string representation
names[i] = fmt.Sprintf("%v %v", input.Type, inputs[i].Name)
if input.Indexed {
names[i] = fmt.Sprintf("%v indexed %v", input.Type, inputs[i].Name)
}
// sig representation
types[i] = input.Type.String()
}
if t.T == ArrayTy && val.Len() != t.Size {
return typeErr(formatSliceString(t.Elem.GetType().Kind(), t.Size), formatSliceString(val.Type().Elem().Kind(), val.Len()))
}
str := fmt.Sprintf("error %v(%v)", name, strings.Join(names, ", "))
sig := fmt.Sprintf("%v(%v)", name, strings.Join(types, ","))
id := common.BytesToHash(crypto.Keccak256([]byte(sig)))
if t.Elem.T == SliceTy || t.Elem.T == ArrayTy {
if val.Len() > 0 {
return sliceTypeCheck(*t.Elem, val.Index(0))
}
return Error{
Name: name,
Inputs: inputs,
str: str,
Sig: sig,
ID: id,
}
}
if val.Type().Elem().Kind() != t.Elem.GetType().Kind() {
return typeErr(formatSliceString(t.Elem.GetType().Kind(), t.Size), val.Type())
}
return nil
func (e *Error) String() string {
return e.str
}
// typeCheck checks that the given reflection value can be assigned to the reflection
// type in t.
func typeCheck(t Type, value reflect.Value) error {
if t.T == SliceTy || t.T == ArrayTy {
return sliceTypeCheck(t, value)
func (e *Error) Unpack(data []byte) (interface{}, error) {
if len(data) < 4 {
return "", errors.New("invalid data for unpacking")
}
// Check base type validity. Element types will be checked later on.
if t.GetType().Kind() != value.Kind() {
return typeErr(t.GetType().Kind(), value.Kind())
} else if t.T == FixedBytesTy && t.Size != value.Len() {
return typeErr(t.GetType(), value.Type())
} else {
return nil
if !bytes.Equal(data[:4], e.ID[:4]) {
return "", errors.New("invalid data for unpacking")
}
}
// typeErr returns a formatted type casting error.
func typeErr(expected, got interface{}) error {
return fmt.Errorf("abi: cannot use %v as type %v as argument", got, expected)
return e.Inputs.Unpack(data[4:])
}
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package abi
import (
"errors"
"fmt"
"reflect"
)
var (
errBadBool = errors.New("abi: improperly encoded boolean value")
)
// formatSliceString formats the reflection kind with the given slice size
// and returns a formatted string representation.
func formatSliceString(kind reflect.Kind, sliceSize int) string {
if sliceSize == -1 {
return fmt.Sprintf("[]%v", kind)
}
return fmt.Sprintf("[%d]%v", sliceSize, kind)
}
// sliceTypeCheck checks that the given slice can by assigned to the reflection
// type in t.
func sliceTypeCheck(t Type, val reflect.Value) error {
if val.Kind() != reflect.Slice && val.Kind() != reflect.Array {
return typeErr(formatSliceString(t.GetType().Kind(), t.Size), val.Type())
}
if t.T == ArrayTy && val.Len() != t.Size {
return typeErr(formatSliceString(t.Elem.GetType().Kind(), t.Size), formatSliceString(val.Type().Elem().Kind(), val.Len()))
}
if t.Elem.T == SliceTy || t.Elem.T == ArrayTy {
if val.Len() > 0 {
return sliceTypeCheck(*t.Elem, val.Index(0))
}
}
if val.Type().Elem().Kind() != t.Elem.GetType().Kind() {
return typeErr(formatSliceString(t.Elem.GetType().Kind(), t.Size), val.Type())
}
return nil
}
// typeCheck checks that the given reflection value can be assigned to the reflection
// type in t.
func typeCheck(t Type, value reflect.Value) error {
if t.T == SliceTy || t.T == ArrayTy {
return sliceTypeCheck(t, value)
}
// Check base type validity. Element types will be checked later on.
if t.GetType().Kind() != value.Kind() {
return typeErr(t.GetType().Kind(), value.Kind())
} else if t.T == FixedBytesTy && t.Size != value.Len() {
return typeErr(t.GetType(), value.Type())
} else {
return nil
}
}
// typeErr returns a formatted type casting error.
func typeErr(expected, got interface{}) error {
return fmt.Errorf("abi: cannot use %v as type %v as argument", got, expected)
}
......@@ -123,15 +123,8 @@ func set(dst, src reflect.Value) error {
func setSlice(dst, src reflect.Value) error {
slice := reflect.MakeSlice(dst.Type(), src.Len(), src.Len())
for i := 0; i < src.Len(); i++ {
if src.Index(i).Kind() == reflect.Struct {
if err := set(slice.Index(i), src.Index(i)); err != nil {
return err
}
} else {
// e.g. [][32]uint8 to []common.Hash
if err := set(slice.Index(i), src.Index(i)); err != nil {
return err
}
if err := set(slice.Index(i), src.Index(i)); err != nil {
return err
}
}
if dst.CanSet() {
......
......@@ -762,20 +762,24 @@ func TestUnpackTuple(t *testing.T) {
buff.Write(common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")) // ret[b] = -1
// If the result is single tuple, use struct as return value container directly.
v := struct {
type v struct {
A *big.Int
B *big.Int
}{new(big.Int), new(big.Int)}
}
type r struct {
Result v
}
var ret0 = new(r)
err = abi.UnpackIntoInterface(ret0, "tuple", buff.Bytes())
err = abi.UnpackIntoInterface(&v, "tuple", buff.Bytes())
if err != nil {
t.Error(err)
} else {
if v.A.Cmp(big.NewInt(1)) != 0 {
t.Errorf("unexpected value unpacked: want %x, got %x", 1, v.A)
if ret0.Result.A.Cmp(big.NewInt(1)) != 0 {
t.Errorf("unexpected value unpacked: want %x, got %x", 1, ret0.Result.A)
}
if v.B.Cmp(big.NewInt(-1)) != 0 {
t.Errorf("unexpected value unpacked: want %x, got %x", -1, v.B)
if ret0.Result.B.Cmp(big.NewInt(-1)) != 0 {
t.Errorf("unexpected value unpacked: want %x, got %x", -1, ret0.Result.B)
}
}
......
......@@ -39,6 +39,7 @@ const (
MimetypeDataWithValidator = "data/validator"
MimetypeTypedData = "data/typed"
MimetypeClique = "application/x-clique-header"
MimetypeBor = "application/x-bor-header"
MimetypeTextPlain = "text/plain"
)
......@@ -113,7 +114,7 @@ type Wallet interface {
SignData(account Account, mimeType string, data []byte) ([]byte, error)
// SignDataWithPassphrase is identical to SignData, but also takes a password
// NOTE: there's an chance that an erroneous call might mistake the two strings, and
// NOTE: there's a chance that an erroneous call might mistake the two strings, and
// supply password in the mimetype field, or vice versa. Thus, an implementation
// should never echo the mimetype or return the mimetype in the error-response
SignDataWithPassphrase(account Account, passphrase, mimeType string, data []byte) ([]byte, error)
......@@ -127,7 +128,7 @@ type Wallet interface {
// a password to decrypt the account, or a PIN code o verify the transaction),
// an AuthNeededError instance will be returned, containing infos for the user
// about which fields or actions are needed. The user may retry by providing
// the needed details via SignHashWithPassphrase, or by other means (e.g. unlock
// the needed details via SignTextWithPassphrase, or by other means (e.g. unlock
// the account in a keystore).
//
// This method should return the signature in 'canonical' format, with v 0 or 1
......
......@@ -29,7 +29,7 @@ import (
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/signer/core"
"github.com/ethereum/go-ethereum/signer/core/apitypes"
)
type ExternalBackend struct {
......@@ -196,6 +196,10 @@ type signTransactionResult struct {
Tx *types.Transaction `json:"tx"`
}
// SignTx sends the transaction to the external signer.
// If chainID is nil, or tx.ChainID is zero, the chain ID will be assigned
// by the external signer. For non-legacy transactions, the chain ID of the
// transaction overrides the chainID parameter.
func (api *ExternalSigner) SignTx(account accounts.Account, tx *types.Transaction, chainID *big.Int) (*types.Transaction, error) {
data := hexutil.Bytes(tx.Data())
var to *common.MixedcaseAddress
......@@ -203,14 +207,36 @@ func (api *ExternalSigner) SignTx(account accounts.Account, tx *types.Transactio
t := common.NewMixedcaseAddress(*tx.To())
to = &t
}
args := &core.SendTxArgs{
Data: &data,
Nonce: hexutil.Uint64(tx.Nonce()),
Value: hexutil.Big(*tx.Value()),
Gas: hexutil.Uint64(tx.Gas()),
GasPrice: hexutil.Big(*tx.GasPrice()),
To: to,
From: common.NewMixedcaseAddress(account.Address),
args := &apitypes.SendTxArgs{
Data: &data,
Nonce: hexutil.Uint64(tx.Nonce()),
Value: hexutil.Big(*tx.Value()),
Gas: hexutil.Uint64(tx.Gas()),
To: to,
From: common.NewMixedcaseAddress(account.Address),
}
switch tx.Type() {
case types.LegacyTxType, types.AccessListTxType:
args.GasPrice = (*hexutil.Big)(tx.GasPrice())
case types.DynamicFeeTxType:
args.MaxFeePerGas = (*hexutil.Big)(tx.GasFeeCap())
args.MaxPriorityFeePerGas = (*hexutil.Big)(tx.GasTipCap())
default:
return nil, fmt.Errorf("unsupported tx type %d", tx.Type())
}
// We should request the default chain id that we're operating with
// (the chain we're executing on)
if chainID != nil && chainID.Sign() != 0 {
args.ChainID = (*hexutil.Big)(chainID)
}
if tx.Type() != types.LegacyTxType {
// However, if the user asked for a particular chain id, then we should
// use that instead.
if tx.ChainId().Sign() != 0 {
args.ChainID = (*hexutil.Big)(tx.ChainId())
}
accessList := tx.AccessList()
args.AccessList = &accessList
}
var res signTransactionResult
if err := api.client.Call(&res, "account_signTransaction", args); err != nil {
......
......@@ -96,7 +96,7 @@ func TestWatchNoDir(t *testing.T) {
// Create ks but not the directory that it watches.
rand.Seed(time.Now().UnixNano())
dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watch-test-%d-%d", os.Getpid(), rand.Int()))
dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watchnodir-test-%d-%d", os.Getpid(), rand.Int()))
ks := NewKeyStore(dir, LightScryptN, LightScryptP)
list := ks.Accounts()
......@@ -322,7 +322,7 @@ func TestUpdatedKeyfileContents(t *testing.T) {
// Create a temporary kesytore to test with
rand.Seed(time.Now().UnixNano())
dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watch-test-%d-%d", os.Getpid(), rand.Int()))
dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-updatedkeyfilecontents-test-%d-%d", os.Getpid(), rand.Int()))
ks := NewKeyStore(dir, LightScryptN, LightScryptP)
list := ks.Accounts()
......
......@@ -14,6 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build (darwin && !ios && cgo) || freebsd || (linux && !arm64) || netbsd || solaris
// +build darwin,!ios,cgo freebsd linux,!arm64 netbsd solaris
package keystore
......
......@@ -14,6 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build (darwin && !cgo) || ios || (linux && arm64) || windows || (!darwin && !freebsd && !linux && !netbsd && !solaris)
// +build darwin,!cgo ios linux,arm64 windows !darwin,!freebsd,!linux,!netbsd,!solaris
// This is the fallback implementation of directory watching.
......