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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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3
les/test_helper.go
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@@ -112,7 +112,8 @@ func prepare(n int, backend *backends.SimulatedBackend) {
switch i {
case 0:
// deploy checkpoint contract
registrarAddr, _, _, _ = contract.DeployCheckpointOracle(bind.NewKeyedTransactor(bankKey), backend, []common.Address{signerAddr}, sectionSize, processConfirms, big.NewInt(1))
auth, _ := bind.NewKeyedTransactorWithChainID(bankKey, big.NewInt(1337))
registrarAddr, _, _, _ = contract.DeployCheckpointOracle(auth, backend, []common.Address{signerAddr}, sectionSize, processConfirms, big.NewInt(1))
// bankUser transfers some ether to user1
nonce, _ := backend.PendingNonceAt(ctx, bankAddr)
tx, _ := types.SignTx(types.NewTransaction(nonce, userAddr1, big.NewInt(10000), params.TxGas, nil, nil), signer, bankKey)