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backends: add lock back to estimategas

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ilan gitter 2019-10-26 10:39:14 -04:00
parent ed6b7dec52
commit a11e9e4144
1 changed files with 3 additions and 0 deletions
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3
accounts/abi/bind/backends/simulated.go
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@ -367,6 +367,9 @@ func (b *SimulatedBackend) SuggestGasPrice(ctx context.Context) (*big.Int, error
// 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) {
b.mu.Lock()
defer b.mu.Unlock()
// Determine the lowest and highest possible gas limits to binary search in between
var (
lo uint64 = params.TxGas - 1