diff options
Diffstat (limited to 'accounts/abi/bind')
| -rw-r--r-- | accounts/abi/bind/base.go | 5 | ||||
| -rw-r--r-- | accounts/abi/bind/bind_test.go | 39 |
2 files changed, 42 insertions, 2 deletions
diff --git a/accounts/abi/bind/base.go b/accounts/abi/bind/base.go index 1f11827dd..93362d9e9 100644 --- a/accounts/abi/bind/base.go +++ b/accounts/abi/bind/base.go @@ -35,7 +35,8 @@ type SignerFn func(types.Signer, common.Address, *types.Transaction) (*types.Tra // CallOpts is the collection of options to fine tune a contract call request. type CallOpts struct { - Pending bool // Whether to operate on the pending state or the last known one + Pending bool // Whether to operate on the pending state or the last known one + From common.Address // Optional the sender address, otherwise the first account is used Context context.Context // Network context to support cancellation and timeouts (nil = no timeout) } @@ -108,7 +109,7 @@ func (c *BoundContract) Call(opts *CallOpts, result interface{}, method string, return err } var ( - msg = ethereum.CallMsg{To: &c.address, Data: input} + msg = ethereum.CallMsg{From: opts.From, To: &c.address, Data: input} ctx = ensureContext(opts.Context) code []byte output []byte diff --git a/accounts/abi/bind/bind_test.go b/accounts/abi/bind/bind_test.go index eb46bc081..8ac4aa44e 100644 --- a/accounts/abi/bind/bind_test.go +++ b/accounts/abi/bind/bind_test.go @@ -408,6 +408,45 @@ var bindTests = []struct { } `, }, + // Test that constant functions can be called from an (optional) specified address + { + `CallFrom`, + ` + contract CallFrom { + function callFrom() constant returns(address) { + return msg.sender; + } + } + `, `6060604052346000575b6086806100176000396000f300606060405263ffffffff60e060020a60003504166349f8e98281146022575b6000565b34600057602c6055565b6040805173ffffffffffffffffffffffffffffffffffffffff9092168252519081900360200190f35b335b905600a165627a7a72305820aef6b7685c0fa24ba6027e4870404a57df701473fe4107741805c19f5138417c0029`, + `[{"constant":true,"inputs":[],"name":"callFrom","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}]`, + ` + // Generate a new random account and a funded simulator + key, _ := crypto.GenerateKey() + auth := bind.NewKeyedTransactor(key) + sim := backends.NewSimulatedBackend(core.GenesisAccount{Address: auth.From, Balance: big.NewInt(10000000000)}) + + // Deploy a sender tester contract and execute a structured call on it + _, _, callfrom, err := DeployCallFrom(auth, sim) + if err != nil { + t.Fatalf("Failed to deploy sender contract: %v", err) + } + sim.Commit() + + if res, err := callfrom.CallFrom(nil); err != nil { + t.Errorf("Failed to call constant function: %v", err) + } else if res != (common.Address{}) { + t.Errorf("Invalid address returned, want: %x, got: %x", (common.Address{}), res) + } + + for _, addr := range []common.Address{common.Address{}, common.Address{1}, common.Address{2}} { + if res, err := callfrom.CallFrom(&bind.CallOpts{From: addr}); err != nil { + t.Fatalf("Failed to call constant function: %v", err) + } else if res != addr { + t.Fatalf("Invalid address returned, want: %x, got: %x", addr, res) + } + } + `, + }, } // Tests that packages generated by the binder can be successfully compiled and |