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CCIP-3555 Providing evm specific implementation of tokenDataEncoder (#…
…14603) * Providing evm specific implementation of tokenDataEncoder * Providing evm specific implementation of tokenDataEncoder * go mod tidy * Post review fixes * Bump * Bump * Bump
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| --- | ||
| "chainlink": patch | ||
| --- | ||
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| Implementing evm specific token data encoder for CCIP #internal |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package ccipevm | ||
|
|
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| import ( | ||
| "context" | ||
|
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| cciptypes "github.com/smartcontractkit/chainlink-common/pkg/types/ccipocr3" | ||
|
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| "github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/ccip/abihelpers" | ||
| ) | ||
|
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| type usdcAttestationPayload struct { | ||
| Message []byte | ||
| Attestation []byte | ||
| } | ||
|
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| func (m usdcAttestationPayload) AbiString() string { | ||
| return ` | ||
| [{ | ||
| "components": [ | ||
| {"name": "message", "type": "bytes"}, | ||
| {"name": "attestation", "type": "bytes"} | ||
| ], | ||
| "type": "tuple" | ||
| }]` | ||
| } | ||
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| type EVMTokenDataEncoder struct{} | ||
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| func NewEVMTokenDataEncoder() EVMTokenDataEncoder { | ||
| return EVMTokenDataEncoder{} | ||
| } | ||
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| func (e EVMTokenDataEncoder) EncodeUSDC(_ context.Context, message cciptypes.Bytes, attestation cciptypes.Bytes) (cciptypes.Bytes, error) { | ||
| return abihelpers.EncodeAbiStruct(usdcAttestationPayload{ | ||
| Message: message, | ||
| Attestation: attestation, | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package ccipevm | ||
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| import ( | ||
| "testing" | ||
|
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| "github.com/ethereum/go-ethereum/accounts/abi" | ||
| "github.com/stretchr/testify/require" | ||
|
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| cciptypes "github.com/smartcontractkit/chainlink-common/pkg/types/ccipocr3" | ||
| "github.com/smartcontractkit/chainlink-common/pkg/utils/tests" | ||
|
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| "github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/ccip/abihelpers" | ||
| ) | ||
|
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| func Test_EVMTokenDataEncoder(t *testing.T) { | ||
| var empty usdcAttestationPayload | ||
| encoder := NewEVMTokenDataEncoder() | ||
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| //https://testnet.snowtrace.io/tx/0xeeb0ad6b26bacd1570a9361724a36e338f4aacf1170dec64399220b7483b7eed/eventlog?chainid=43113 | ||
| //https://iris-api-sandbox.circle.com/v1/attestations/0x69fb1b419d648cf6c9512acad303746dc85af3b864af81985c76764aba60bf6b | ||
| realMessage, err := cciptypes.NewBytesFromString("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") | ||
| require.NoError(t, err) | ||
| realAttestation, err := cciptypes.NewBytesFromString("0xee466fbd340596aa56e3e40d249869573e4008d84d795b4f2c3cba8649083d08653d38190d0df7e0ee12ae685df2f806d100a03b3716ab1ff2013c7201f1c2d01c9af959b55a4b52dbd0319eed69ce9ace25259830e0b1bff79faf0c9c5d1b5e6d6304e824d657db38f802bcff3e97d0bd30f2ffc62b62381f52c1668ceaa5a73a1b") | ||
| require.NoError(t, err) | ||
|
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| tt := []struct { | ||
| name string | ||
| message []byte | ||
| attestation []byte | ||
| }{ | ||
| { | ||
| name: "empty both fields", | ||
| message: nil, | ||
| attestation: []byte{}, | ||
| }, | ||
| { | ||
| name: "empty attestation", | ||
| message: []byte("message"), | ||
| attestation: nil, | ||
| }, | ||
| { | ||
| name: "both attestation and message are set", | ||
| message: realMessage, | ||
| attestation: realAttestation, | ||
| }, | ||
| } | ||
|
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| for _, tc := range tt { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| got, err := encoder.EncodeUSDC(tests.Context(t), tc.message, tc.attestation) | ||
| require.NoError(t, err) | ||
|
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| decoded, err := abihelpers.ABIDecode(empty.AbiString(), got) | ||
| require.NoError(t, err) | ||
|
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| converted := abi.ConvertType(decoded[0], &empty) | ||
| casted, ok := converted.(*usdcAttestationPayload) | ||
| require.True(t, ok) | ||
|
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| if tc.message == nil { | ||
| require.Empty(t, casted.Message) | ||
| } else { | ||
| require.Equal(t, tc.message, casted.Message) | ||
| } | ||
|
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| if tc.attestation == nil { | ||
| require.Empty(t, casted.Attestation) | ||
| } else { | ||
| require.Equal(t, tc.attestation, casted.Attestation) | ||
| } | ||
| }) | ||
| } | ||
| } |
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