/
digest_item.go
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/
digest_item.go
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// Go Substrate RPC Client (GSRPC) provides APIs and types around Polkadot and any Substrate-based chain RPC calls
//
// Copyright 2019 Centrifuge GmbH
//
// 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 types
import (
"fmt"
"github.com/LwwL-123/go-substrate-rpc-client/v3/scale"
)
// DigestItem specifies the item in the logs of a digest
type DigestItem struct {
IsChangesTrieRoot bool // 2
AsChangesTrieRoot Hash
IsPreRuntime bool // 6
AsPreRuntime PreRuntime
IsConsensus bool // 4
AsConsensus Consensus
IsSeal bool // 5
AsSeal Seal
IsChangesTrieSignal bool // 7
AsChangesTrieSignal ChangesTrieSignal
IsOther bool // 0
AsOther Bytes
}
func (m *DigestItem) Decode(decoder scale.Decoder) error {
b, err := decoder.ReadOneByte()
if err != nil {
return err
}
switch b {
case 2:
m.IsChangesTrieRoot = true
err = decoder.Decode(&m.AsChangesTrieRoot)
case 6:
m.IsPreRuntime = true
err = decoder.Decode(&m.AsPreRuntime)
case 4:
m.IsConsensus = true
err = decoder.Decode(&m.AsConsensus)
case 5:
m.IsSeal = true
err = decoder.Decode(&m.AsSeal)
case 7:
m.IsChangesTrieSignal = true
err = decoder.Decode(&m.AsChangesTrieSignal)
case 0:
m.IsOther = true
err = decoder.Decode(&m.AsOther)
}
if err != nil {
return err
}
return nil
}
func (m DigestItem) Encode(encoder scale.Encoder) error {
var err1, err2 error
switch {
case m.IsOther:
err1 = encoder.PushByte(0)
err2 = encoder.Encode(m.AsOther)
case m.IsChangesTrieRoot:
err1 = encoder.PushByte(2)
err2 = encoder.Encode(m.AsChangesTrieRoot)
case m.IsConsensus:
err1 = encoder.PushByte(4)
err2 = encoder.Encode(m.AsConsensus)
case m.IsSeal:
err1 = encoder.PushByte(5)
err2 = encoder.Encode(m.AsSeal)
case m.IsPreRuntime:
err1 = encoder.PushByte(6)
err2 = encoder.Encode(m.AsPreRuntime)
case m.IsChangesTrieSignal:
err1 = encoder.PushByte(7)
err2 = encoder.Encode(m.AsChangesTrieSignal)
}
if err1 != nil {
return err1
}
if err2 != nil {
return err2
}
return nil
}
// AuthorityID represents a public key (an 32 byte array)
type AuthorityID [32]byte
// NewAuthorityID creates a new AuthorityID type
func NewAuthorityID(b [32]byte) AuthorityID {
return AuthorityID(b)
}
type Seal struct {
ConsensusEngineID ConsensusEngineID
Bytes Bytes
}
// ConsensusEngineID is a 4-byte identifier (actually a [u8; 4]) identifying the engine, e.g. for Aura it would be
// [b'a', b'u', b'r', b'a']
type ConsensusEngineID U32
type Consensus struct {
ConsensusEngineID ConsensusEngineID
Bytes Bytes
}
type PreRuntime struct {
ConsensusEngineID ConsensusEngineID
Bytes Bytes
}
type ChangesTrieSignal struct {
IsNewConfiguration bool
AsNewConfiguration Bytes
}
func (c ChangesTrieSignal) Encode(encoder scale.Encoder) error {
switch {
case c.IsNewConfiguration:
err := encoder.PushByte(0)
if err != nil {
return err
}
err = encoder.Encode(c.AsNewConfiguration)
if err != nil {
return err
}
default:
return fmt.Errorf("no such variant for ChangesTrieSignal")
}
return nil
}
func (c *ChangesTrieSignal) Decode(decoder scale.Decoder) error {
tag, err := decoder.ReadOneByte()
if err != nil {
return err
}
switch tag {
case 0:
c.IsNewConfiguration = true
err = decoder.Decode(&c.AsNewConfiguration)
if err != nil {
return err
}
default:
return fmt.Errorf("no such variant for ChangesTrieSignal")
}
return nil
}
type ChangesTrieConfiguration struct {
DigestInterval U32
DigestLevels U32
}