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certificate.go
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certificate.go
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// Copyright 2024 Blink Labs, LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ledger
import (
"fmt"
utxorpc "github.com/utxorpc/go-codegen/utxorpc/v1alpha/cardano"
"github.com/blinklabs-io/gouroboros/cbor"
)
const (
CertificateTypeStakeRegistration = 0
CertificateTypeStakeDeregistration = 1
CertificateTypeStakeDelegation = 2
CertificateTypePoolRegistration = 3
CertificateTypePoolRetirement = 4
CertificateTypeGenesisKeyDelegation = 5
CertificateTypeMoveInstantaneous = 6
)
type Certificate interface {
Cbor() []byte
CertificateType() uint
Data() *cbor.Value
Utxorpc() *utxorpc.Certificate
}
const (
StakeCredentialTypeAddrKeyHash = 0
StakeCredentialTypeScriptHash = 1
)
type StakeCredential struct {
cbor.StructAsArray
cbor.DecodeStoreCbor
credType uint
StakeCredential []byte
}
func NewStakeCredentialFromCbor(credType uint, data []byte) (StakeCredential, error) {
cred := StakeCredential{}
switch credType {
case StakeCredentialTypeAddrKeyHash:
// TODO: do this
return cred, nil
case StakeCredentialTypeScriptHash:
// TODO: do this
return cred, nil
}
return cred, fmt.Errorf("unknown stake credential type: %d", credType)
}
type StakeRegistrationCertificate struct {
cbor.StructAsArray
cbor.DecodeStoreCbor
certType uint
StakeRegistration StakeCredential
}
func NewStakeRegistrationCertificateFromCbor(credType uint, data []byte) (StakeCredential, error) {
cred := StakeCredential{
credType: credType,
}
switch credType {
case StakeCredentialTypeAddrKeyHash:
// TODO: do this
return cred, nil
case StakeCredentialTypeScriptHash:
// TODO: do this
return cred, nil
}
return cred, fmt.Errorf("unknown stake credential type: %d", credType)
}
func (c *StakeRegistrationCertificate) UnmarshalCBOR(cborData []byte) error {
return c.UnmarshalCbor(cborData, c)
}
func (c *StakeRegistrationCertificate) CertificateType() uint {
return c.certType
}
type StakeDeregistrationCertificate struct {
cbor.StructAsArray
cbor.DecodeStoreCbor
certType uint
StakeDeregistration *StakeCredential
}
func (c *StakeDeregistrationCertificate) UnmarshalCBOR(cborData []byte) error {
return c.UnmarshalCbor(cborData, c)
}
func (c *StakeDeregistrationCertificate) CertificateType() uint {
return c.certType
}
type StakeDelegationCertificate struct {
cbor.StructAsArray
cbor.DecodeStoreCbor
certType uint
credential *StakeCredential
poolHash PoolKeyHash
}
type AddrKeyHash Blake2b224
type PoolKeyHash Blake2b224
type PoolMetadataHash Blake2b256
type VrfKeyHash Blake2b256
type RationalNumber struct {
Numerator uint64
Denominator uint64
}
type PoolMetadata struct {
cbor.StructAsArray
url string
hash PoolMetadataHash
}
type Relay struct {
cbor.StructAsArray
// TODO: create different relay shapes
_ interface{}
}
type PoolRegistrationCertificate struct {
cbor.StructAsArray
cbor.DecodeStoreCbor
certType uint
Operator PoolKeyHash
VrfKeyHash VrfKeyHash
Pledge uint64
Cost uint64
Margin RationalNumber
RewardAccount AddrKeyHash
PoolOwners []AddrKeyHash
Relays []Relay
PoolMetadata *PoolMetadata
}
type PoolRetirementCertificate struct {
cbor.StructAsArray
cbor.DecodeStoreCbor
certType uint
PoolKeyHash PoolKeyHash
Epoch uint64
}
type GenesisKeyDelegationCertificate struct {
cbor.StructAsArray
cbor.DecodeStoreCbor
certType uint
GenesisHash []byte
GenesisDelegateHash []byte
VrfKeyHash VrfKeyHash
}
type MirSource int32
const (
MirSourceUnspecified MirSource = 0
MirSourceReserves MirSource = 1
MirSourceTreasury MirSource = 2
)
type MirTarget struct {
cbor.StructAsArray
StakeCredential *StakeCredential
DeltaCoin int64
}
type MoveInstantaneousCertificate struct {
cbor.StructAsArray
cbor.DecodeStoreCbor
certType uint
From MirSource
To []*MirTarget
OtherPot uint64
}