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accounts/abi/bind: allow specifying signer on transactOpts (#21356)

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This commit enables users to specify which signer they want to use while creating their transactOpts.
Previously all contract interactions used the homestead signer. Now a user can specify whether they
want to sign with homestead or EIP155 and specify the chainID which adds another layer of security.

Closes #16484
This commit is contained in:
Marius van der Wijden
2020-12-08 14:44:56 +01:00
committed by GitHub
parent 6a4e730003
commit ed0670cb17
9 changed files with 127 additions and 40 deletions
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contracts/checkpointoracle/oracle_test.go
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@ -178,7 +178,7 @@ func TestCheckpointRegister(t *testing.T) {
contractBackend := backends.NewSimulatedBackend(core.GenesisAlloc{accounts[0].addr: {Balance: big.NewInt(1000000000)}, accounts[1].addr: {Balance: big.NewInt(1000000000)}, accounts[2].addr: {Balance: big.NewInt(1000000000)}}, 10000000)
defer contractBackend.Close()
transactOpts := bind.NewKeyedTransactor(accounts[0].key)
transactOpts, _ := bind.NewKeyedTransactorWithChainID(accounts[0].key, big.NewInt(1337))
// 3 trusted signers, threshold 2
contractAddr, _, c, err := contract.DeployCheckpointOracle(transactOpts, contractBackend, []common.Address{accounts[0].addr, accounts[1].addr, accounts[2].addr}, sectionSize, processConfirms, big.NewInt(2))