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accounts/abi/bind: fix multi-value anonymous unmarshalling

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This commit is contained in:
Péter Szilágyi 2016-05-12 16:28:18 +03:00
parent 25931f12c1
commit cc21706c50
2 changed files with 37 additions and 3 deletions
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38
accounts/abi/bind/bind_test.go
View File

@ -194,12 +194,44 @@ var bindTests = []struct {
} }
`, `,
}, },
// Tests that plain values can be properly returned and deserialized
{
`Getter`,
`
contract Getter {
function getter() constant returns (string, int, bytes32) {
return ("Hi", 1, sha3(""));
}
}
`,
`606060405260dc8060106000396000f3606060405260e060020a6000350463993a04b78114601a575b005b600060605260c0604052600260809081527f486900000000000000000000000000000000000000000000000000000000000060a05260017fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47060e0829052610100819052606060c0908152600261012081905281906101409060a09080838184600060046012f1505081517fffff000000000000000000000000000000000000000000000000000000000000169091525050604051610160819003945092505050f3`,
`[{"constant":true,"inputs":[],"name":"getter","outputs":[{"name":"","type":"string"},{"name":"","type":"int256"},{"name":"","type":"bytes32"}],"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 tuple tester contract and execute a structured call on it
_, _, getter, err := DeployGetter(auth, sim)
if err != nil {
t.Fatalf("Failed to deploy getter contract: %v", err)
}
sim.Commit()
if str, num, _, err := getter.Getter(nil); err != nil {
t.Fatalf("Failed to call anonymous field retriever: %v", err)
} else if str != "Hi" || num.Cmp(big.NewInt(1)) != 0 {
t.Fatalf("Retrieved value mismatch: have %v/%v, want %v/%v", str, num, "Hi", 1)
}
`,
},
// Tests that tuples can be properly returned and deserialized // Tests that tuples can be properly returned and deserialized
{ {
`Tupler`, `Tupler`,
` `
contract Tupler { contract Tupler {
function tuple() returns (string a, int b, bytes32 c) { function tuple() constant returns (string a, int b, bytes32 c) {
return ("Hi", 1, sha3("")); return ("Hi", 1, sha3(""));
} }
} }
@ -219,8 +251,10 @@ var bindTests = []struct {
} }
sim.Commit() sim.Commit()
if _, err := tupler.Tuple(nil); err != nil { if res, err := tupler.Tuple(nil); err != nil {
t.Fatalf("Failed to call structure retriever: %v", err) t.Fatalf("Failed to call structure retriever: %v", err)
} else if res.A != "Hi" || res.B.Cmp(big.NewInt(1)) != 0 {
t.Fatalf("Retrieved value mismatch: have %v/%v, want %v/%v", res.A, res.B, "Hi", 1)
} }
`, `,
}, },

2
accounts/abi/bind/template.go
View File

@ -211,7 +211,7 @@ package {{.Package}}
{{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type}}) {{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type}})
{{end}} {{end}}
){{end}} ){{end}}
out := {{if .Structured}}ret{{else}}{{if eq (len .Normalized.Outputs) 1}}ret0{{else}}[]interface{}{ out := {{if .Structured}}ret{{else}}{{if eq (len .Normalized.Outputs) 1}}ret0{{else}}&[]interface{}{
{{range $i, $_ := .Normalized.Outputs}}ret{{$i}}, {{range $i, $_ := .Normalized.Outputs}}ret{{$i}},
{{end}} {{end}}
}{{end}}{{end}} }{{end}}{{end}}