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* Connect codec interface tests and refactor codec to interface like EVM one * progress * Fully implement Codec interface tests * Run codec tests in loop * Prettify codec and codec tests * Refactor codec nil encoding handling * Revert accidental changes to testIDL.json * Add sonar exclusion for codec test utils * Add sq exclusion for duplications in testutils, add decoder unit tests * Add encoder unit test * Fix lint and rename codec to solanacodec to avoid types name collision * Solana codec entry improvements * Fix Solana codec field casing * minor err messages improvements * Code improvements * Fix encoder unit tests * Fix sonar exclusions * lint * Reorder methods in Solana codec * Fix CR integration tests config * Revert TestNewIDLCodec_WithModifiers deletion * Add comments for codec entry includeDiscriminator option * Add discriminator value check in codec entry Decode * Reuse utils from interface tests for Solana codec interface tests * Fix comment * Fix comment * [Non-EVM-1062] Solana Codec events support, Hookup Fuzz tests and cleanup Codec init (#987) * Add events IDL parsing to codec * temp * Add a basic codec test for event IDL parsing * Cleanup Solana Codec init * Hookup Codec fuzz tests * delete an unnecessary comment * lint --------- Co-authored-by: Jonghyeon Park <[email protected]>
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Original file line number | Diff line number | Diff line change |
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package codec | ||
|
||
import ( | ||
"bytes" | ||
"fmt" | ||
"reflect" | ||
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"github.com/smartcontractkit/chainlink-common/pkg/codec" | ||
commonencodings "github.com/smartcontractkit/chainlink-common/pkg/codec/encodings" | ||
commontypes "github.com/smartcontractkit/chainlink-common/pkg/types" | ||
) | ||
|
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type Entry interface { | ||
Encode(value any, into []byte) ([]byte, error) | ||
Decode(encoded []byte) (any, []byte, error) | ||
GetCodecType() commonencodings.TypeCodec | ||
GetType() reflect.Type | ||
Modifier() codec.Modifier | ||
Size(numItems int) (int, error) | ||
FixedSize() (int, error) | ||
} | ||
|
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type entry struct { | ||
// TODO this might not be needed in the end, it was handy to make tests simpler | ||
offchainName string | ||
onchainName string | ||
reflectType reflect.Type | ||
typeCodec commonencodings.TypeCodec | ||
mod codec.Modifier | ||
// includeDiscriminator during Encode adds a discriminator to the encoded bytes under an assumption that the provided value didn't have a discriminator. | ||
// During Decode includeDiscriminator removes discriminator from bytes under an assumption that the provided struct doesn't need a discriminator. | ||
includeDiscriminator bool | ||
discriminator Discriminator | ||
} | ||
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func NewAccountEntry(offchainName string, idlAccount IdlTypeDef, idlTypes IdlTypeDefSlice, includeDiscriminator bool, mod codec.Modifier, builder commonencodings.Builder) (Entry, error) { | ||
_, accCodec, err := createCodecType(idlAccount, createRefs(idlTypes, builder), false) | ||
if err != nil { | ||
return nil, err | ||
} | ||
|
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return newEntry( | ||
offchainName, | ||
idlAccount.Name, | ||
accCodec, | ||
includeDiscriminator, | ||
mod, | ||
), nil | ||
} | ||
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func NewInstructionArgsEntry(offChainName string, instructions IdlInstruction, idlTypes IdlTypeDefSlice, mod codec.Modifier, builder commonencodings.Builder) (Entry, error) { | ||
_, instructionCodecArgs, err := asStruct(instructions.Args, createRefs(idlTypes, builder), instructions.Name, false, true) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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return newEntry( | ||
offChainName, | ||
instructions.Name, | ||
instructionCodecArgs, | ||
// Instruction arguments don't need a discriminator by default | ||
false, | ||
mod, | ||
), nil | ||
} | ||
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func NewEventArgsEntry(offChainName string, event IdlEvent, idlTypes IdlTypeDefSlice, includeDiscriminator bool, mod codec.Modifier, builder commonencodings.Builder) (Entry, error) { | ||
_, eventCodec, err := asStruct(eventFieldsToFields(event.Fields), createRefs(idlTypes, builder), event.Name, false, false) | ||
if err != nil { | ||
return nil, err | ||
} | ||
|
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return newEntry( | ||
offChainName, | ||
event.Name, | ||
eventCodec, | ||
includeDiscriminator, | ||
mod, | ||
), nil | ||
} | ||
|
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func newEntry( | ||
offchainName, onchainName string, | ||
typeCodec commonencodings.TypeCodec, | ||
includeDiscriminator bool, | ||
mod codec.Modifier, | ||
) Entry { | ||
return &entry{ | ||
offchainName: offchainName, | ||
onchainName: onchainName, | ||
reflectType: typeCodec.GetType(), | ||
typeCodec: typeCodec, | ||
mod: ensureModifier(mod), | ||
includeDiscriminator: includeDiscriminator, | ||
discriminator: *NewDiscriminator(onchainName), | ||
} | ||
} | ||
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func createRefs(idlTypes IdlTypeDefSlice, builder commonencodings.Builder) *codecRefs { | ||
return &codecRefs{ | ||
builder: builder, | ||
codecs: make(map[string]commonencodings.TypeCodec), | ||
typeDefs: idlTypes, | ||
dependencies: make(map[string][]string), | ||
} | ||
} | ||
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func (e *entry) Encode(value any, into []byte) ([]byte, error) { | ||
// Special handling for encoding a nil pointer to an empty struct. | ||
t := e.reflectType | ||
if value == nil { | ||
if t.Kind() == reflect.Pointer { | ||
elem := t.Elem() | ||
if elem.Kind() == reflect.Struct && elem.NumField() == 0 { | ||
return []byte{}, nil | ||
} | ||
} | ||
return nil, fmt.Errorf("%w: cannot encode nil value for offchainName: %q, onchainName: %q", | ||
commontypes.ErrInvalidType, e.offchainName, e.onchainName) | ||
} | ||
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encodedVal, err := e.typeCodec.Encode(value, into) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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if e.includeDiscriminator { | ||
var byt []byte | ||
encodedDisc, err := e.discriminator.Encode(&e.discriminator.hashPrefix, byt) | ||
if err != nil { | ||
return nil, err | ||
} | ||
return append(encodedDisc, encodedVal...), nil | ||
} | ||
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return encodedVal, nil | ||
} | ||
|
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func (e *entry) Decode(encoded []byte) (any, []byte, error) { | ||
if e.includeDiscriminator { | ||
if len(encoded) < discriminatorLength { | ||
return nil, nil, fmt.Errorf("%w: encoded data too short to contain discriminator for offchainName: %q, onchainName: %q", | ||
commontypes.ErrInvalidType, e.offchainName, e.onchainName) | ||
} | ||
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if !bytes.Equal(e.discriminator.hashPrefix, encoded[:discriminatorLength]) { | ||
return nil, nil, fmt.Errorf("%w: encoded data has a bad discriminator %v for offchainName: %q, onchainName: %q", | ||
commontypes.ErrInvalidType, encoded[:discriminatorLength], e.offchainName, e.onchainName) | ||
} | ||
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encoded = encoded[discriminatorLength:] | ||
} | ||
return e.typeCodec.Decode(encoded) | ||
} | ||
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func (e *entry) GetCodecType() commonencodings.TypeCodec { | ||
return e.typeCodec | ||
} | ||
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func (e *entry) GetType() reflect.Type { | ||
return e.reflectType | ||
} | ||
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func (e *entry) Modifier() codec.Modifier { | ||
return e.mod | ||
} | ||
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func (e *entry) Size(numItems int) (int, error) { | ||
return e.typeCodec.Size(numItems) | ||
} | ||
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func (e *entry) FixedSize() (int, error) { | ||
return e.typeCodec.FixedSize() | ||
} | ||
|
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func ensureModifier(mod codec.Modifier) codec.Modifier { | ||
if mod == nil { | ||
return codec.MultiModifier{} | ||
} | ||
return mod | ||
} | ||
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func eventFieldsToFields(evFields []IdlEventField) []IdlField { | ||
var idlFields []IdlField | ||
for _, evField := range evFields { | ||
idlFields = append(idlFields, IdlField{ | ||
Name: evField.Name, | ||
Type: evField.Type, | ||
}) | ||
} | ||
return idlFields | ||
} |
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