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accounts/abi: implement new fallback functions (#20764)

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* accounts/abi: implement new fackball functions

In Solidity v0.6.0, the original fallback is separated
into two different sub types: fallback and receive.

This PR addes the support for parsing new format abi
and the relevant abigen functionalities.

* accounts/abi: fix unit tests

* accounts/abi: minor fixes

* accounts/abi, mobile: support jave binding

* accounts/abi: address marius's comment

* accounts/abi: Work around the uin64 conversion issue

Co-authored-by: Guillaume Ballet <gballet@gmail.com>
This commit is contained in:
gary rong
2020-04-15 15:23:58 +08:00
committed by GitHub
parent 2a836bb259
commit 00064ddcfb
12 changed files with 445 additions and 94 deletions
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36
accounts/abi/unpack_test.go
View File

@ -443,7 +443,7 @@ var unpackTests = []unpackTest{
func TestUnpack(t *testing.T) {
for i, test := range unpackTests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
def := fmt.Sprintf(`[{ "name" : "method", "outputs": %s}]`, test.def)
def := fmt.Sprintf(`[{ "name" : "method", "type": "function", "outputs": %s}]`, test.def)
abi, err := JSON(strings.NewReader(def))
if err != nil {
t.Fatalf("invalid ABI definition %s: %v", def, err)
@ -522,7 +522,7 @@ type methodMultiOutput struct {
func methodMultiReturn(require *require.Assertions) (ABI, []byte, methodMultiOutput) {
const definition = `[
{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
{ "name" : "multi", "type": "function", "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
var expected = methodMultiOutput{big.NewInt(1), "hello"}
abi, err := JSON(strings.NewReader(definition))
@ -611,7 +611,7 @@ func TestMethodMultiReturn(t *testing.T) {
}
func TestMultiReturnWithArray(t *testing.T) {
const definition = `[{"name" : "multi", "outputs": [{"type": "uint64[3]"}, {"type": "uint64"}]}]`
const definition = `[{"name" : "multi", "type": "function", "outputs": [{"type": "uint64[3]"}, {"type": "uint64"}]}]`
abi, err := JSON(strings.NewReader(definition))
if err != nil {
t.Fatal(err)
@ -634,7 +634,7 @@ func TestMultiReturnWithArray(t *testing.T) {
}
func TestMultiReturnWithStringArray(t *testing.T) {
const definition = `[{"name" : "multi", "outputs": [{"name": "","type": "uint256[3]"},{"name": "","type": "address"},{"name": "","type": "string[2]"},{"name": "","type": "bool"}]}]`
const definition = `[{"name" : "multi", "type": "function", "outputs": [{"name": "","type": "uint256[3]"},{"name": "","type": "address"},{"name": "","type": "string[2]"},{"name": "","type": "bool"}]}]`
abi, err := JSON(strings.NewReader(definition))
if err != nil {
t.Fatal(err)
@ -664,7 +664,7 @@ func TestMultiReturnWithStringArray(t *testing.T) {
}
func TestMultiReturnWithStringSlice(t *testing.T) {
const definition = `[{"name" : "multi", "outputs": [{"name": "","type": "string[]"},{"name": "","type": "uint256[]"}]}]`
const definition = `[{"name" : "multi", "type": "function", "outputs": [{"name": "","type": "string[]"},{"name": "","type": "uint256[]"}]}]`
abi, err := JSON(strings.NewReader(definition))
if err != nil {
t.Fatal(err)
@ -700,7 +700,7 @@ func TestMultiReturnWithDeeplyNestedArray(t *testing.T) {
// values of nested static arrays count towards the size as well, and any element following
// after such nested array argument should be read with the correct offset,
// so that it does not read content from the previous array argument.
const definition = `[{"name" : "multi", "outputs": [{"type": "uint64[3][2][4]"}, {"type": "uint64"}]}]`
const definition = `[{"name" : "multi", "type": "function", "outputs": [{"type": "uint64[3][2][4]"}, {"type": "uint64"}]}]`
abi, err := JSON(strings.NewReader(definition))
if err != nil {
t.Fatal(err)
@ -737,15 +737,15 @@ func TestMultiReturnWithDeeplyNestedArray(t *testing.T) {
func TestUnmarshal(t *testing.T) {
const definition = `[
{ "name" : "int", "constant" : false, "outputs": [ { "type": "uint256" } ] },
{ "name" : "bool", "constant" : false, "outputs": [ { "type": "bool" } ] },
{ "name" : "bytes", "constant" : false, "outputs": [ { "type": "bytes" } ] },
{ "name" : "fixed", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
{ "name" : "multi", "constant" : false, "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
{ "name" : "intArraySingle", "constant" : false, "outputs": [ { "type": "uint256[3]" } ] },
{ "name" : "addressSliceSingle", "constant" : false, "outputs": [ { "type": "address[]" } ] },
{ "name" : "addressSliceDouble", "constant" : false, "outputs": [ { "name": "a", "type": "address[]" }, { "name": "b", "type": "address[]" } ] },
{ "name" : "mixedBytes", "constant" : true, "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
{ "name" : "int", "type": "function", "outputs": [ { "type": "uint256" } ] },
{ "name" : "bool", "type": "function", "outputs": [ { "type": "bool" } ] },
{ "name" : "bytes", "type": "function", "outputs": [ { "type": "bytes" } ] },
{ "name" : "fixed", "type": "function", "outputs": [ { "type": "bytes32" } ] },
{ "name" : "multi", "type": "function", "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
{ "name" : "intArraySingle", "type": "function", "outputs": [ { "type": "uint256[3]" } ] },
{ "name" : "addressSliceSingle", "type": "function", "outputs": [ { "type": "address[]" } ] },
{ "name" : "addressSliceDouble", "type": "function", "outputs": [ { "name": "a", "type": "address[]" }, { "name": "b", "type": "address[]" } ] },
{ "name" : "mixedBytes", "type": "function", "stateMutability" : "view", "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
abi, err := JSON(strings.NewReader(definition))
if err != nil {
@ -985,7 +985,7 @@ func TestUnmarshal(t *testing.T) {
}
func TestUnpackTuple(t *testing.T) {
const simpleTuple = `[{"name":"tuple","constant":false,"outputs":[{"type":"tuple","name":"ret","components":[{"type":"int256","name":"a"},{"type":"int256","name":"b"}]}]}]`
const simpleTuple = `[{"name":"tuple","type":"function","outputs":[{"type":"tuple","name":"ret","components":[{"type":"int256","name":"a"},{"type":"int256","name":"b"}]}]}]`
abi, err := JSON(strings.NewReader(simpleTuple))
if err != nil {
t.Fatal(err)
@ -1014,7 +1014,7 @@ func TestUnpackTuple(t *testing.T) {
}
// Test nested tuple
const nestedTuple = `[{"name":"tuple","constant":false,"outputs":[
const nestedTuple = `[{"name":"tuple","type":"function","outputs":[
{"type":"tuple","name":"s","components":[{"type":"uint256","name":"a"},{"type":"uint256[]","name":"b"},{"type":"tuple[]","name":"c","components":[{"name":"x", "type":"uint256"},{"name":"y","type":"uint256"}]}]},
{"type":"tuple","name":"t","components":[{"name":"x", "type":"uint256"},{"name":"y","type":"uint256"}]},
{"type":"uint256","name":"a"}
@ -1136,7 +1136,7 @@ func TestOOMMaliciousInput(t *testing.T) {
},
}
for i, test := range oomTests {
def := fmt.Sprintf(`[{ "name" : "method", "outputs": %s}]`, test.def)
def := fmt.Sprintf(`[{ "name" : "method", "type": "function", "outputs": %s}]`, test.def)
abi, err := JSON(strings.NewReader(def))
if err != nil {
t.Fatalf("invalid ABI definition %s: %v", def, err)