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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| // Copyright (C) 2019-2024, Ava Labs, Inc. All rights reserved. | ||
| // See the file LICENSE for licensing terms. | ||
|
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| package state | ||
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| import ( | ||
| "fmt" | ||
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| "github.com/google/btree" | ||
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| "github.com/ava-labs/avalanchego/database" | ||
| "github.com/ava-labs/avalanchego/ids" | ||
| "github.com/ava-labs/avalanchego/vms/platformvm/block" | ||
| ) | ||
|
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| var _ btree.LessFunc[*SubnetOnlyValidator] = (*SubnetOnlyValidator).Less | ||
|
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| type SubnetOnlyValidator struct { | ||
| // ValidationID is not serialized because it is used as the key in the | ||
| // database, so it doesn't need to be stored in the value. | ||
| ValidationID ids.ID | ||
|
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| SubnetID ids.ID `serialize:"true"` | ||
| NodeID ids.NodeID `serialize:"true"` | ||
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| // PublicKey is the uncompressed BLS public key of the validator. It is | ||
| // guaranteed to be populated. | ||
| PublicKey []byte `serialize:"true"` | ||
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| // StartTime is the unix timestamp, in seconds, when this validator was | ||
| // added to the set. | ||
| StartTime uint64 `serialize:"true"` | ||
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| // Weight of this validator. It can be updated when the MinNonce is | ||
| // increased. If the weight is being set to 0, the validator is being | ||
| // removed. | ||
| Weight uint64 `serialize:"true"` | ||
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| // MinNonce is the smallest nonce that can be used to modify this | ||
| // validator's weight. It is initially set to 0 and is set to one higher | ||
| // than the last nonce used. It is not valid to use nonce MaxUint64 unless | ||
| // the weight is being set to 0, which removes the validator from the set. | ||
| MinNonce uint64 `serialize:"true"` | ||
|
|
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| // EndAccumulatedFee is the amount of globally accumulated fees that can | ||
| // accrue before this validator must be deactivated. It is equal to the | ||
| // amount of fees this validator is willing to pay plus the amount of | ||
| // globally accumulated fees when this validator started validating. | ||
| EndAccumulatedFee uint64 `serialize:"true"` | ||
| } | ||
|
|
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| // Less determines a canonical ordering of *SubnetOnlyValidators based on their | ||
| // EndAccumulatedFees and ValidationIDs. | ||
| // | ||
| // Returns true if: | ||
| // | ||
| // 1. This validator has a lower EndAccumulatedFee than the other. | ||
| // 2. This validator has an equal EndAccumulatedFee to the other and has a | ||
| // lexicographically lower ValidationID. | ||
| func (v *SubnetOnlyValidator) Less(o *SubnetOnlyValidator) bool { | ||
| switch { | ||
| case v.EndAccumulatedFee < o.EndAccumulatedFee: | ||
| return true | ||
| case o.EndAccumulatedFee < v.EndAccumulatedFee: | ||
| return false | ||
| default: | ||
| return v.ValidationID.Compare(o.ValidationID) == -1 | ||
| } | ||
| } | ||
|
|
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| func getSubnetOnlyValidator(db database.KeyValueReader, validationID ids.ID) (*SubnetOnlyValidator, error) { | ||
| bytes, err := db.Get(validationID[:]) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| vdr := &SubnetOnlyValidator{ | ||
| ValidationID: validationID, | ||
| } | ||
| if _, err = block.GenesisCodec.Unmarshal(bytes, vdr); err != nil { | ||
| return nil, fmt.Errorf("failed to unmarshal SubnetOnlyValidator: %w", err) | ||
| } | ||
| return vdr, err | ||
| } | ||
|
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| func putSubnetOnlyValidator(db database.KeyValueWriter, vdr *SubnetOnlyValidator) error { | ||
| bytes, err := block.GenesisCodec.Marshal(block.CodecVersion, vdr) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to marshal SubnetOnlyValidator: %w", err) | ||
| } | ||
| return db.Put(vdr.ValidationID[:], bytes) | ||
| } | ||
|
|
||
| func deleteSubnetOnlyValidator(db database.KeyValueDeleter, validationID ids.ID) error { | ||
| return db.Delete(validationID[:]) | ||
| } |
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