@solana/spl-token#createSyncNativeInstruction TypeScript Examples

The following examples show how to use @solana/spl-token#createSyncNativeInstruction. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: associatedToken.ts    From jet-engine with GNU Affero General Public License v3.0 6 votes vote down vote up 
/** Add wrap SOL IX
   * @param instructions
   * @param provider
   * @param owner
   * @param mint
   * @param amount
   */
  static async withWrapIfNativeMint(
    instructions: TransactionInstruction[],
    provider: AnchorProvider,
    owner: PublicKey,
    mint: PublicKey,
    amount: BN
  ): Promise<void> {
    //only run if mint is wrapped sol mint
    if (mint.equals(NATIVE_MINT)) {
      //this will add instructions to create ata if ata does not exist, if exist, we will get the ata address
      const ata = await this.withCreate(instructions, provider, owner, mint)
      //IX to transfer sol to ATA
      const transferIx = SystemProgram.transfer({
        fromPubkey: owner,
        lamports: bnToNumber(amount),
        toPubkey: ata
      })
      const syncNativeIX = createSyncNativeInstruction(ata)
      instructions.push(transferIx, syncNativeIX)
    }
  }