mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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3ca4d6fd91
* new interface methods * support proposer slashings * add in the new buckets * all crud for propoer slashings * attester slashings complete * all slashings crud done * right comment * deposit contract tests pass * delete out of scope methods * conform old beacon DB * comment * deprecations * pass lint * Update deposit_contract.go
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
package kv
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import (
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"context"
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"fmt"
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"github.com/boltdb/bolt"
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"github.com/ethereum/go-ethereum/common"
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"go.opencensus.io/trace"
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)
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// DepositContractAddress returns contract address is the address of
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// the deposit contract on the proof of work chain.
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func (k *Store) DepositContractAddress(ctx context.Context) ([]byte, error) {
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ctx, span := trace.StartSpan(ctx, "BeaconDB.DepositContractAddress")
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defer span.End()
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var addr []byte
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// #nosec G104. Always returns nil.
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k.db.View(func(tx *bolt.Tx) error {
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chainInfo := tx.Bucket(chainMetadataBucket)
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addr = chainInfo.Get(depositContractAddressKey)
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return nil
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})
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return addr, nil
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}
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// SaveDepositContractAddress to the db. It returns an error if an address has been previously saved.
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func (k *Store) SaveDepositContractAddress(ctx context.Context, addr common.Address) error {
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ctx, span := trace.StartSpan(ctx, "BeaconDB.VerifyContractAddress")
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defer span.End()
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return k.db.Update(func(tx *bolt.Tx) error {
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chainInfo := tx.Bucket(chainMetadataBucket)
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expectedAddress := chainInfo.Get(depositContractAddressKey)
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if expectedAddress != nil {
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return fmt.Errorf("cannot override deposit contract address: %v", expectedAddress)
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}
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return chainInfo.Put(depositContractAddressKey, addr.Bytes())
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})
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}
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