removes unused methods from walletDb (#5641)

* removes unused methods from walletDb

cleans up the walletDb by removing unused methods

removes one unused wallet method that was the only usage of a walletDb method

* puts 'loadHeads' back

it's used in the 'debug' CLI command

ironfish/src/wallet/account/account.ts

@@ -845,16 +845,6 @@ export class Account {
     }
   }
 
-  async *getTransactionsOrderedBySequence(
-    tx?: IDatabaseTransaction,
-  ): AsyncGenerator<Readonly<TransactionValue>> {
-    for await (const { hash } of this.walletDb.getTransactionHashesBySequence(this, tx)) {
-      const transaction = await this.getTransaction(hash, tx)
-      Assert.isNotUndefined(transaction)
-      yield transaction
-    }
-  }
-
   getPendingTransactions(
     headSequence: number,
     tx?: IDatabaseTransaction,

ironfish/src/wallet/walletdb/walletdb.ts

@@ -542,19 +542,6 @@ export class WalletDB {
     await this.transactions.del([account.prefix, transactionHash], tx)
   }
 
-  async *getTransactionHashesBySequence(
-    account: Account,
-    tx?: IDatabaseTransaction,
-  ): AsyncGenerator<{ sequence: number; hash: Buffer }> {
-    for await (const [, [sequence, hash]] of this.sequenceToTransactionHash.getAllKeysIter(
-      tx,
-      account.prefixRange,
-      { ordered: true },
-    )) {
-      yield { sequence, hash }
-    }
-  }
-
   async *loadTransactions(
     account: Account,
     range?: DatabaseKeyRange,
@@ -831,24 +818,6 @@ export class WalletDB {
     }
   }
 
-  async *loadNullifierToNoteHash(
-    account: Account,
-    tx?: IDatabaseTransaction,
-  ): AsyncGenerator<{
-    nullifier: Buffer
-    noteHash: Buffer
-  }> {
-    for await (const [[_, nullifier], noteHash] of this.nullifierToNoteHash.getAllIter(
-      tx,
-      account.prefixRange,
-    )) {
-      yield {
-        nullifier,
-        noteHash,
-      }
-    }
-  }
-
   async deleteNullifier(
     account: Account,
     nullifier: Buffer,
@@ -1142,19 +1111,6 @@ export class WalletDB {
     }
   }
 
-  async saveSequenceToTransactionHash(
-    account: Account,
-    sequence: number,
-    transactionHash: Buffer,
-    tx?: IDatabaseTransaction,
-  ): Promise<void> {
-    await this.sequenceToTransactionHash.put(
-      [account.prefix, [sequence, transactionHash]],
-      null,
-      tx,
-    )
-  }
-
   async deleteSequenceToTransactionHash(
     account: Account,
     sequence: number,
@@ -1406,10 +1362,6 @@ export class WalletDB {
     return this.multisigIdentities.get(identity, tx)
   }
 
-  async hasMultisigIdentity(identity: Buffer, tx?: IDatabaseTransaction): Promise<boolean> {
-    return (await this.getMultisigIdentity(identity, tx)) !== undefined
-  }
-
   async deleteMultisigIdentity(identity: Buffer, tx?: IDatabaseTransaction): Promise<void> {
     await this.multisigIdentities.del(identity, tx)
   }