mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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5569a68452
* Value assigned to a variable is never read before being overwritten * The result of append is not used anywhere * Suspicious assignment of range-loop vars detected * Unused method receiver detected * Revert "Auxiliary commit to revert individual files from 54edcb445484a2e5d79612e19af8e949b8861253" This reverts commit bbd1e1beabf7b0c5cfc4f514dcc820062ad6c063. * Method modifies receiver * Fix test * Duplicate imports detected * Incorrectly formatted error string * Types of function parameters can be combined * One more "Unused method receiver detected" * Unused parameter detected in function
42 lines
1.3 KiB
Go
42 lines
1.3 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/ethereum/go-ethereum/common"
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bolt "go.etcd.io/bbolt"
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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 (s *Store) DepositContractAddress(ctx context.Context) ([]byte, error) {
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_, span := trace.StartSpan(ctx, "BeaconDB.DepositContractAddress")
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defer span.End()
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var addr []byte
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if err := s.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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}); err != nil { // This view never returns an error, but we'll handle anyway for sanity.
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panic(err)
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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 (s *Store) SaveDepositContractAddress(ctx context.Context, addr common.Address) error {
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_, span := trace.StartSpan(ctx, "BeaconDB.VerifyContractAddress")
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defer span.End()
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return s.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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