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authorDeterminant <[email protected]>2020-07-30 14:18:44 -0400
committerDeterminant <[email protected]>2020-07-30 14:18:44 -0400
commit0444e66f640999c15496066637841efcc0433934 (patch)
treec19aec2dced2e9129c880c19c52ca0f87b3d62f6 /accounts/abi/bind/util.go
parentcffa0954bbdb43821d1b71d00f99fb705cecd25b (diff)
parent1f49826de2bb8bb4f5f99f69fd2beb039b1172d9 (diff)
Merge branch 'multi-coin'
Diffstat (limited to 'accounts/abi/bind/util.go')
-rw-r--r--accounts/abi/bind/util.go76
1 files changed, 76 insertions, 0 deletions
diff --git a/accounts/abi/bind/util.go b/accounts/abi/bind/util.go
new file mode 100644
index 0000000..b3ec22c
--- /dev/null
+++ b/accounts/abi/bind/util.go
@@ -0,0 +1,76 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package bind
+
+import (
+ "context"
+ "fmt"
+ "time"
+
+ "github.com/ava-labs/coreth/core/types"
+ "github.com/ava-labs/go-ethereum/common"
+ "github.com/ava-labs/go-ethereum/log"
+)
+
+// WaitMined waits for tx to be mined on the blockchain.
+// It stops waiting when the context is canceled.
+func WaitMined(ctx context.Context, b DeployBackend, tx *types.Transaction) (*types.Receipt, error) {
+ queryTicker := time.NewTicker(time.Second)
+ defer queryTicker.Stop()
+
+ logger := log.New("hash", tx.Hash())
+ for {
+ receipt, err := b.TransactionReceipt(ctx, tx.Hash())
+ if receipt != nil {
+ return receipt, nil
+ }
+ if err != nil {
+ logger.Trace("Receipt retrieval failed", "err", err)
+ } else {
+ logger.Trace("Transaction not yet mined")
+ }
+ // Wait for the next round.
+ select {
+ case <-ctx.Done():
+ return nil, ctx.Err()
+ case <-queryTicker.C:
+ }
+ }
+}
+
+// WaitDeployed waits for a contract deployment transaction and returns the on-chain
+// contract address when it is mined. It stops waiting when ctx is canceled.
+func WaitDeployed(ctx context.Context, b DeployBackend, tx *types.Transaction) (common.Address, error) {
+ if tx.To() != nil {
+ return common.Address{}, fmt.Errorf("tx is not contract creation")
+ }
+ receipt, err := WaitMined(ctx, b, tx)
+ if err != nil {
+ return common.Address{}, err
+ }
+ if receipt.ContractAddress == (common.Address{}) {
+ return common.Address{}, fmt.Errorf("zero address")
+ }
+ // Check that code has indeed been deployed at the address.
+ // This matters on pre-Homestead chains: OOG in the constructor
+ // could leave an empty account behind.
+ code, err := b.CodeAt(ctx, receipt.ContractAddress, nil)
+ if err == nil && len(code) == 0 {
+ err = ErrNoCodeAfterDeploy
+ }
+ return receipt.ContractAddress, err
+}