From 51c3290beedac6b66b2e6f41cde9336c6a292a15 Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Mon, 11 Nov 2019 12:12:19 +0100
Subject: [PATCH] internal/ethapi: don't query wallets at every execution of
gas estimation
---
internal/ethapi/api.go | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index ea7bb7fc8..93042b7a7 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -906,6 +906,18 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash
}
cap = hi
+ // Set sender address or use a default if none specified
+ if args.From == nil {
+ if wallets := b.AccountManager().Wallets(); len(wallets) > 0 {
+ if accounts := wallets[0].Accounts(); len(accounts) > 0 {
+ args.From = &accounts[0].Address
+ }
+ }
+ }
+ // Use zero-address if none other is available
+ if args.From == nil {
+ args.From = &common.Address{}
+ }
// Create a helper to check if a gas allowance results in an executable transaction
executable := func(gas uint64) bool {
args.Gas = (*hexutil.Uint64)(&gas)
--
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