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Add commitment mode parameter and commitment type system
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| Original file line number | Diff line number | Diff line change |
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@@ -24,7 +24,4 @@ go.work | |
| .env | ||
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| ## kzg cache | ||
| e2e/resources/kzg/SRSTables/ | ||
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| ## Vscode | ||
| /.vscode | ||
| test/resources/SRSTables/ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package commitments | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
| ) | ||
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| type DAServiceOPCommitmentType byte | ||
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| const ( | ||
| EigenDAByte DAServiceOPCommitmentType = 0 | ||
| ) | ||
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| // DAServiceOPCommitment represents a value of one of two possible types (Keccak256Commitment or DAServiceCommitment). | ||
| type DAServiceOPCommitment struct { | ||
| eigendaCommitment *EigenDACommitment | ||
| } | ||
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| var _ Commitment = (*DAServiceOPCommitment)(nil) | ||
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| func OptimismEigenDACommitment(value EigenDACommitment) DAServiceOPCommitment { | ||
| return DAServiceOPCommitment{eigendaCommitment: &value} | ||
| } | ||
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| func (e DAServiceOPCommitment) IsEigenDA() bool { | ||
| return e.eigendaCommitment != nil | ||
| } | ||
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| func (e DAServiceOPCommitment) MustEigenDAValue() EigenDACommitment { | ||
| if e.eigendaCommitment != nil { | ||
| return *e.eigendaCommitment | ||
| } | ||
| log.Panic("CommitmentEither does not contain a Keccak256Commitment value") | ||
| return EigenDACommitment{} // This will never be reached, but is required for compilation. | ||
| } | ||
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| func (e DAServiceOPCommitment) Marshal() ([]byte, error) { | ||
| if e.IsEigenDA() { | ||
| eigenDABytes, err := e.MustEigenDAValue().Marshal() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return append([]byte{byte(EigenDAByte)}, eigenDABytes...), nil | ||
| } else { | ||
| return nil, fmt.Errorf("DAServiceOPCommitment is neither a keccak256 commitment or a DA service commitment") | ||
| } | ||
| } | ||
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| func (e *DAServiceOPCommitment) Unmarshal(bz []byte) error { | ||
| if len(bz) < 1 { | ||
| return fmt.Errorf("OP commitment does not contain generic commitment type prefix byte") | ||
| } | ||
| head := DAServiceOPCommitmentType(bz[0]) | ||
| tail := bz[1:] | ||
| switch head { | ||
| case EigenDAByte: | ||
| eigendaCommitment := EigenDACommitment{} | ||
| err := eigendaCommitment.Unmarshal(tail) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| e.eigendaCommitment = &eigendaCommitment | ||
| default: | ||
| return fmt.Errorf("unrecognized generic commitment type byte: %x", bz[0]) | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package commitments | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
| ) | ||
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| // Define the parent and child types | ||
| type CertEncodingVersion byte | ||
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| const ( | ||
| CertEncodingV0 CertEncodingVersion = 0 | ||
| ) | ||
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| type EigenDACommitment struct { | ||
| certV0 []byte | ||
| } | ||
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| var _ Commitment = (*EigenDACommitment)(nil) | ||
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| func EigenDACertV0(value []byte) EigenDACommitment { | ||
| return EigenDACommitment{certV0: value} | ||
| } | ||
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| func (e EigenDACommitment) IsCertV0() bool { | ||
| return e.certV0 != nil | ||
| } | ||
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| func (e EigenDACommitment) MustCertV0Value() []byte { | ||
| if e.certV0 != nil { | ||
| return e.certV0 | ||
| } | ||
| log.Panic("CommitmentEither does not contain a Keccak256Commitment value") | ||
| return nil // This will never be reached, but is required for compilation. | ||
| } | ||
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| func (e EigenDACommitment) Marshal() ([]byte, error) { | ||
| if e.IsCertV0() { | ||
| return append([]byte{byte(CertEncodingV0)}, e.certV0...), nil | ||
| } else { | ||
| return nil, fmt.Errorf("EigenDADAServiceOPCommitment is of unknown type") | ||
| } | ||
| } | ||
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| func (e *EigenDACommitment) Unmarshal(bz []byte) error { | ||
| if len(bz) < 1 { | ||
| return fmt.Errorf("OP commitment does not contain eigenda commitment encoding version prefix byte") | ||
| } | ||
| head := CertEncodingVersion(bz[0]) | ||
| tail := bz[1:] | ||
| switch head { | ||
| case CertEncodingV0: | ||
| e.certV0 = tail | ||
| default: | ||
| return fmt.Errorf("unrecognized EigenDA commitment encoding type byte: %x", bz[0]) | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| package commitments | ||
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| type Commitment interface { | ||
| Marshal() ([]byte, error) | ||
| Unmarshal([]byte) error | ||
| } |
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