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feat(certs): Implemented Utxorpc() for Conway governance certs #1006

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Merged
merged 6 commits into from
May 17, 2025
Merged

feat(certs): Implemented Utxorpc() for Conway governance certs #1006

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28f231e
feat(certs): implemented Utxorpc() for Conway governance certs
May 5, 2025
f1afa41
feat(certs): implemented Utxorpc() for Conway governance certs
May 5, 2025
76f6288
feat(certs): implemented Utxorpc() for Conway governance certs
May 5, 2025
8a06d7e
feat(certs): implemented Utxorpc() for Conway governance certs
May 16, 2025
c8c46ad
feat(certs): implemented Utxorpc() for Conway governance certs
May 16, 2025
e884502
feat(certs): implemented Utxorpc() for Conway governance certs
May 17, 2025
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218 changes: 191 additions & 27 deletions ledger/common/certs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -258,9 +258,9 @@ func (c *StakeDelegationCertificate) Type() uint {
}

type (
PoolKeyHash = Blake2b224
PoolMetadataHash = Blake2b256
VrfKeyHash = Blake2b256
PoolKeyHash Blake2b224
PoolMetadataHash Blake2b256
VrfKeyHash Blake2b256
)

type PoolMetadata struct {
Expand Down Expand Up @@ -610,8 +610,11 @@ func (c *RegistrationCertificate) UnmarshalCBOR(
}

func (c *RegistrationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeRegistration{
StakeRegistration: c.StakeCredential.Utxorpc(),
},
}
}

func (c *RegistrationCertificate) Type() uint {
Expand Down Expand Up @@ -642,8 +645,11 @@ func (c *DeregistrationCertificate) UnmarshalCBOR(
}

func (c *DeregistrationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeDeregistration{
StakeDeregistration: c.StakeCredential.Utxorpc(),
},
}
}

func (c *DeregistrationCertificate) Type() uint {
Expand Down Expand Up @@ -674,8 +680,29 @@ func (c *VoteDelegationCertificate) UnmarshalCBOR(
}

func (c *VoteDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
// Get the DRep proto
drepProto := c.Drep.Utxorpc()

// Extract the credential bytes if available
var drepBytes []byte
if drepProto != nil {
switch v := drepProto.GetDrep().(type) {
case *utxorpc.DRep_AddrKeyHash:
drepBytes = v.AddrKeyHash
case *utxorpc.DRep_ScriptHash:
drepBytes = v.ScriptHash
default:
drepBytes = nil
}
}
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeDelegation{
StakeDelegation: &utxorpc.StakeDelegationCert{
StakeCredential: c.StakeCredential.Utxorpc(),
PoolKeyhash: drepBytes,
},
},
}
}

func (c *VoteDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -707,8 +734,34 @@ func (c *StakeVoteDelegationCertificate) UnmarshalCBOR(
}

func (c *StakeVoteDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
drepProto := c.Drep.Utxorpc()
var drepBytes []byte

// Extract DRep credential if it exists (AddrKeyHash or ScriptHash)
if drepProto != nil {
switch v := drepProto.GetDrep().(type) {
case *utxorpc.DRep_AddrKeyHash:
drepBytes = v.AddrKeyHash
case *utxorpc.DRep_ScriptHash:
drepBytes = v.ScriptHash
}
}

// Encode both PoolKeyHash and DRep in PoolKeyhash field
// Format: [1-byte type][poolKeyHash][drepBytes]
encodedKey := make([]byte, 0, 1+len(c.PoolKeyHash)+len(drepBytes))
encodedKey = append(encodedKey, byte(0x01)) // Version byte
encodedKey = append(encodedKey, c.PoolKeyHash...)
encodedKey = append(encodedKey, drepBytes...)

return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeDelegation{
StakeDelegation: &utxorpc.StakeDelegationCert{
StakeCredential: c.StakeCredential.Utxorpc(),
PoolKeyhash: encodedKey,
},
},
}
}

func (c *StakeVoteDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -740,8 +793,14 @@ func (c *StakeRegistrationDelegationCertificate) UnmarshalCBOR(
}

func (c *StakeRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeDelegation{
StakeDelegation: &utxorpc.StakeDelegationCert{
StakeCredential: c.StakeCredential.Utxorpc(),
PoolKeyhash: c.PoolKeyHash,
},
},
}
}

func (c *StakeRegistrationDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -773,8 +832,26 @@ func (c *VoteRegistrationDelegationCertificate) UnmarshalCBOR(
}

func (c *VoteRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
drepProto := c.Drep.Utxorpc()
var drepBytes []byte

if drepProto != nil {
switch v := drepProto.GetDrep().(type) {
case *utxorpc.DRep_AddrKeyHash:
drepBytes = v.AddrKeyHash
case *utxorpc.DRep_ScriptHash:
drepBytes = v.ScriptHash
}
}

return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeDelegation{
StakeDelegation: &utxorpc.StakeDelegationCert{
StakeCredential: c.StakeCredential.Utxorpc(),
PoolKeyhash: drepBytes,
},
},
}
}

func (c *VoteRegistrationDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -807,8 +884,26 @@ func (c *StakeVoteRegistrationDelegationCertificate) UnmarshalCBOR(
}

func (c *StakeVoteRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
drepProto := c.Drep.Utxorpc()
var drepBytes []byte

if drepProto != nil {
switch v := drepProto.GetDrep().(type) {
case *utxorpc.DRep_AddrKeyHash:
drepBytes = v.AddrKeyHash
case *utxorpc.DRep_ScriptHash:
drepBytes = v.ScriptHash
}
}

return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeDelegation{
StakeDelegation: &utxorpc.StakeDelegationCert{
StakeCredential: c.StakeCredential.Utxorpc(),
PoolKeyhash: drepBytes,
},
},
}
}

func (c *StakeVoteRegistrationDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -839,8 +934,14 @@ func (c *AuthCommitteeHotCertificate) UnmarshalCBOR(
}

func (c *AuthCommitteeHotCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_GenesisKeyDelegation{
GenesisKeyDelegation: &utxorpc.GenesisKeyDelegationCert{
GenesisHash: c.ColdCredential.Credential[:],
GenesisDelegateHash: c.HostCredential.Credential[:],
},
},
}
}

func (c *AuthCommitteeHotCertificate) Type() uint {
Expand Down Expand Up @@ -871,8 +972,13 @@ func (c *ResignCommitteeColdCertificate) UnmarshalCBOR(
}

func (c *ResignCommitteeColdCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_PoolRetirement{
PoolRetirement: &utxorpc.PoolRetirementCert{
PoolKeyhash: c.ColdCredential.Credential[:],
},
},
}
}

func (c *ResignCommitteeColdCertificate) Type() uint {
Expand Down Expand Up @@ -904,8 +1010,11 @@ func (c *RegistrationDrepCertificate) UnmarshalCBOR(
}

func (c *RegistrationDrepCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeRegistration{
StakeRegistration: c.DrepCredential.Utxorpc(),
},
}
}

func (c *RegistrationDrepCertificate) Type() uint {
Expand Down Expand Up @@ -936,8 +1045,11 @@ func (c *DeregistrationDrepCertificate) UnmarshalCBOR(
}

func (c *DeregistrationDrepCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeDeregistration{
StakeDeregistration: c.DrepCredential.Utxorpc(),
},
}
}

func (c *DeregistrationDrepCertificate) Type() uint {
Expand Down Expand Up @@ -968,10 +1080,62 @@ func (c *UpdateDrepCertificate) UnmarshalCBOR(
}

func (c *UpdateDrepCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
// Handle anchor data if present
var metadata *utxorpc.PoolMetadata
if c.Anchor != nil {
metadata = &utxorpc.PoolMetadata{
Url: c.Anchor.Url,
Hash: c.Anchor.DataHash[:],
}
}

return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_PoolRegistration{
PoolRegistration: &utxorpc.PoolRegistrationCert{
// Store DRep credential hash bytes in operator field
Operator: c.DrepCredential.Credential[:],
// Store anchor info in metadata
PoolMetadata: metadata,
// Set minimal required fields
VrfKeyhash: []byte{},
Pledge: 0,
Cost: 0,
Margin: &utxorpc.RationalNumber{
Numerator: 0,
Denominator: 1,
},
RewardAccount: nil,
PoolOwners: nil,
Relays: nil,
},
},
}
}

func (c *UpdateDrepCertificate) Type() uint {
return c.CertType
}

// DRep implementation
func (d *Drep) Utxorpc() *utxorpc.DRep {
switch d.Type {
case DrepTypeAddrKeyHash:
return &utxorpc.DRep{
Drep: &utxorpc.DRep_AddrKeyHash{AddrKeyHash: d.Credential},
}
case DrepTypeScriptHash:
return &utxorpc.DRep{
Drep: &utxorpc.DRep_ScriptHash{ScriptHash: d.Credential},
}
case DrepTypeAbstain:
return &utxorpc.DRep{
Drep: &utxorpc.DRep_Abstain{Abstain: true},
}
case DrepTypeNoConfidence:
return &utxorpc.DRep{
Drep: &utxorpc.DRep_NoConfidence{NoConfidence: true},
}
default:
return nil
}
}
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