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ethapi: bugfix for contract creation gas estimate

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Bas van Kervel 2017-02-09 13:15:33 +01:00
parent 6dd27e7cff
commit d6149a790d
1 changed files with 5 additions and 0 deletions
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5
internal/ethapi/api.go
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@ -579,6 +579,11 @@ func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNr r
// EstimateGas returns an estimate of the amount of gas needed to execute the given transaction. // EstimateGas returns an estimate of the amount of gas needed to execute the given transaction.
func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs) (*hexutil.Big, error) { func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs) (*hexutil.Big, error) {
if args.To == nil { // contract creation, doCall returns immediately the used gas.
_, gas, err := s.doCall(ctx, args, rpc.PendingBlockNumber, vm.Config{})
return (*hexutil.Big)(gas), err
}
// Binary search the gas requirement, as it may be higher than the amount used // Binary search the gas requirement, as it may be higher than the amount used
var lo, hi uint64 var lo, hi uint64
if (*big.Int)(&args.Gas).BitLen() > 0 { if (*big.Int)(&args.Gas).BitLen() > 0 {