accounts/abi: change unpacking of abi fields w/ underscores (#16513)

* accounts/abi: fix name styling when unpacking abi fields w/ underscores

ABI fields with underscores that are being unpacked
into structs expect structs with following form:

int_one -> Int_one

whereas in abigen the generated structs are camelcased

int_one -> IntOne

so updated the unpack method to expect camelcased structs as well.
This commit is contained in:
Matt K
2018-12-29 03:32:58 -07:00
committed by Guillaume Ballet
parent 735343430d
commit a4af734328
4 changed files with 60 additions and 47 deletions

View File

@ -310,6 +310,53 @@ var unpackTests = []unpackTest{
Int2 *big.Int
}{big.NewInt(1), big.NewInt(2)},
},
{
def: `[{"name":"int_one","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
IntOne *big.Int
}{big.NewInt(1)},
},
{
def: `[{"name":"int__one","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
IntOne *big.Int
}{big.NewInt(1)},
},
{
def: `[{"name":"int_one_","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
IntOne *big.Int
}{big.NewInt(1)},
},
{
def: `[{"name":"int_one","type":"int256"}, {"name":"intone","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
IntOne *big.Int
Intone *big.Int
}{big.NewInt(1), big.NewInt(2)},
},
{
def: `[{"name":"___","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
IntOne *big.Int
Intone *big.Int
}{},
err: "abi: purely underscored output cannot unpack to struct",
},
{
def: `[{"name":"int_one","type":"int256"},{"name":"IntOne","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",
want: struct {
Int1 *big.Int
Int2 *big.Int
}{},
err: "abi: multiple outputs mapping to the same struct field 'IntOne'",
},
{
def: `[{"name":"int","type":"int256"},{"name":"Int","type":"int256"}]`,
enc: "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002",