init

client.go

+package ghost
+
+import (
+	"context"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+)
+
+type Client interface {
+	BalanceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (*big.Int, error)
+	BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error)
+	BlockByNumber(ctx context.Context, number *big.Int) (*types.Block, error)
+	BlockNumber(ctx context.Context) (uint64, error)
+	CallContract(ctx context.Context, msg ethereum.CallMsg, blockNumber *big.Int) ([]byte, error)
+	CallContractAtHash(ctx context.Context, msg ethereum.CallMsg, blockHash common.Hash) ([]byte, error)
+	ChainID(ctx context.Context) (*big.Int, error)
+	Close()
+	CodeAt(ctx context.Context, account common.Address, blockNumber *big.Int) ([]byte, error)
+	EstimateGas(ctx context.Context, msg ethereum.CallMsg) (uint64, error)
+	FilterLogs(ctx context.Context, q ethereum.FilterQuery) ([]types.Log, error)
+	HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error)
+	HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error)
+	NetworkID(ctx context.Context) (*big.Int, error)
+	NonceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (uint64, error)
+	PeerCount(ctx context.Context) (uint64, error)
+	PendingBalanceAt(ctx context.Context, account common.Address) (*big.Int, error)
+	PendingCallContract(ctx context.Context, msg ethereum.CallMsg) ([]byte, error)
+	PendingCodeAt(ctx context.Context, account common.Address) ([]byte, error)
+	PendingNonceAt(ctx context.Context, account common.Address) (uint64, error)
+	PendingStorageAt(ctx context.Context, account common.Address, key common.Hash) ([]byte, error)
+	PendingTransactionCount(ctx context.Context) (uint, error)
+	SendTransaction(ctx context.Context, tx *types.Transaction) error
+	StorageAt(ctx context.Context, account common.Address, key common.Hash, blockNumber *big.Int) ([]byte, error)
+	SubscribeFilterLogs(ctx context.Context, q ethereum.FilterQuery, ch chan<- types.Log) (ethereum.Subscription, error)
+	SubscribeNewHead(ctx context.Context, ch chan<- *types.Header) (ethereum.Subscription, error)
+	SuggestGasPrice(ctx context.Context) (*big.Int, error)
+	SuggestGasTipCap(ctx context.Context) (*big.Int, error)
+	SyncProgress(ctx context.Context) (*ethereum.SyncProgress, error)
+	TransactionByHash(ctx context.Context, hash common.Hash) (tx *types.Transaction, isPending bool, err error)
+	TransactionCount(ctx context.Context, blockHash common.Hash) (uint, error)
+	TransactionInBlock(ctx context.Context, blockHash common.Hash, index uint) (*types.Transaction, error)
+	TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error)
+	TransactionSender(ctx context.Context, tx *types.Transaction, block common.Hash, index uint) (common.Address, error)
+}

clients/goethereum/client.go

+// supposedly this should get updated as the dependency does automaticaly
+// if they do breaking changes tho i will be sad :(
+package goethereum
+
+import (
+	"context"
+
+	"gfx.cafe/open/ghost"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/rpc"
+)
+
+// mimics dial but returns a ghost.Client interface
+func Dial(uri string) (ghost.Client, error) {
+	cl, err := ethclient.Dial(uri)
+	return cl, err
+}
+
+// same as dial, except with a context!
+func DialContext(ctx context.Context, uri string) (ghost.Client, error) {
+	cl, err := ethclient.Dial(uri)
+	return cl, err
+}
+
+// mimics NewClient but returns a ghost.Client interface
+func NewClient(c *rpc.Client) ghost.Client {
+	return ethclient.NewClient(c)
+}

go.mod

+module gfx.cafe/open/ghost
+
+go 1.19
+
+require github.com/ethereum/go-ethereum v1.10.21
+
+require (
+	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
+	github.com/deckarep/golang-set v1.8.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
+	github.com/go-ole/go-ole v1.2.1 // indirect
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
+	github.com/tklauser/go-sysconf v0.3.5 // indirect
+	github.com/tklauser/numcpus v0.2.2 // indirect
+	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
+	golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect
+	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
+)

go.sum

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readme.md

+# ghost
+
+a set of utilities for working with eth json rpc