mirror of https://github.com/status-im/op-geth.git
65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
package bind_test
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import (
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"context"
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"math/big"
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"testing"
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ethereum "github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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)
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type mockCaller struct {
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codeAtBlockNumber *big.Int
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callContractBlockNumber *big.Int
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}
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func (mc *mockCaller) CodeAt(ctx context.Context, contract common.Address, blockNumber *big.Int) ([]byte, error) {
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mc.codeAtBlockNumber = blockNumber
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return []byte{1, 2, 3}, nil
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}
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func (mc *mockCaller) CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error) {
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mc.callContractBlockNumber = blockNumber
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return nil, nil
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}
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func TestPassingBlockNumber(t *testing.T) {
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mc := &mockCaller{}
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bc := bind.NewBoundContract(common.HexToAddress("0x0"), abi.ABI{
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Methods: map[string]abi.Method{
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"something": {
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Name: "something",
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Outputs: abi.Arguments{},
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},
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},
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}, mc, nil, nil)
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var ret string
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blockNumber := big.NewInt(42)
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bc.Call(&bind.CallOpts{BlockNumber: blockNumber}, &ret, "something")
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if mc.callContractBlockNumber != blockNumber {
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t.Fatalf("CallContract() was not passed the block number")
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}
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if mc.codeAtBlockNumber != blockNumber {
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t.Fatalf("CodeAt() was not passed the block number")
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}
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bc.Call(&bind.CallOpts{}, &ret, "something")
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if mc.callContractBlockNumber != nil {
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t.Fatalf("CallContract() was passed a block number when it should not have been")
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}
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if mc.codeAtBlockNumber != nil {
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t.Fatalf("CodeAt() was passed a block number when it should not have been")
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}
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}
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