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Merge pull request #20261 from holiman/less_querying

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internal/ethapi: don't query wallets at every execution of gas estimation
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Péter Szilágyi 2019-11-20 12:49:13 +02:00 committed by GitHub
commit 3a4a3d080b
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1 changed files with 12 additions and 0 deletions
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12
internal/ethapi/api.go
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@ -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)