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accounts/abi: simplify reflection logic (#21058)

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* accounts/abi: simplified reflection logic

* accounts/abi: simplified reflection logic

* accounts/abi: removed unpack

* accounts/abi: removed comments

* accounts/abi: removed uneccessary complications

* accounts/abi: minor changes in error messages

* accounts/abi: removed unnused code

* accounts/abi: fixed indexed argument unpacking

* accounts/abi: removed superfluous test cases

This commit removes two test cases. The first one is trivially invalid as we have the same
test cases as passing in packing_test.go L375. The second one passes now,
because we don't need the mapArgNamesToStructFields in unpack_atomic anymore.
Checking for purely underscored arg names generally should not be something we do
as the abi/contract is generally out of the control of the user.

* accounts/abi: removed comments, debug println

* accounts/abi: added commented out code

* accounts/abi: addressed comments

* accounts/abi: remove unnecessary dst.CanSet check

* accounts/abi: added dst.CanSet checks
This commit is contained in:
Marius van der Wijden
2020-05-13 17:50:18 +02:00
committed by GitHub
parent 677724af0c
commit f3f1e59eea
4 changed files with 81 additions and 158 deletions
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8
accounts/abi/unpack_test.go
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@@ -120,8 +120,7 @@ var unpackTests = []unpackTest{
{
def: `[{"type": "bytes"}]`,
enc: "000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200100000000000000000000000000000000000000000000000000000000000000",
want: [32]byte{},
err: "abi: cannot unmarshal []uint8 in to [32]uint8",
want: [32]byte{1},
},
{
def: `[{"type": "bytes32"}]`,
@@ -135,8 +134,7 @@ var unpackTests = []unpackTest{
want: struct {
IntOne *big.Int
Intone *big.Int
}{},
err: "abi: purely underscored output cannot unpack to struct",
}{IntOne: big.NewInt(1)},
},
{
def: `[{"name":"int_one","type":"int256"},{"name":"IntOne","type":"int256"}]`,
@@ -362,7 +360,7 @@ func TestMethodMultiReturn(t *testing.T) {
}, {
&[]interface{}{new(int)},
&[]interface{}{},
"abi: insufficient number of elements in the list/array for unpack, want 2, got 1",
"abi: insufficient number of arguments for unpack, want 2, got 1",
"Can not unpack into a slice with wrong types",
}}
for _, tc := range testCases {