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accounts/abi: handle named ouputs prefixed with underscores (#15766)

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* accounts/abi: handle named ouputs prefixed with underscores

* accounts/abi: handle collinding outputs for struct unpacks

* accounts: handle purely underscore output names
This commit is contained in:
Péter Szilágyi
2017-12-29 23:20:02 +02:00
committed by GitHub
parent 36a10875c8
commit b9731767af
4 changed files with 153 additions and 4 deletions
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45
accounts/abi/unpack_test.go
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@ -259,6 +259,51 @@ var unpackTests = []unpackTest{
enc: "000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003",
want: [3]*big.Int{big.NewInt(1), big.NewInt(2), big.NewInt(3)},
},
// struct outputs
{
def: `[{"name":"int1","type":"int256"},{"name":"int2","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
Int1 *big.Int
Int2 *big.Int
}{big.NewInt(1), big.NewInt(2)},
},
{
def: `[{"name":"int","type":"int256"},{"name":"Int","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
Int1 *big.Int
Int2 *big.Int
}{},
err: "abi: multiple outputs mapping to the same struct field 'Int'",
},
{
def: `[{"name":"int","type":"int256"},{"name":"_int","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
Int1 *big.Int
Int2 *big.Int
}{},
err: "abi: multiple outputs mapping to the same struct field 'Int'",
},
{
def: `[{"name":"Int","type":"int256"},{"name":"_int","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
Int1 *big.Int
Int2 *big.Int
}{},
err: "abi: multiple outputs mapping to the same struct field 'Int'",
},
{
def: `[{"name":"Int","type":"int256"},{"name":"_","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
Int1 *big.Int
Int2 *big.Int
}{},
err: "abi: purely underscored output cannot unpack to struct",
},
}
func TestUnpack(t *testing.T) {