approveAllForMintable
The approveAllForMintable
method can be used to approve all mintable tokens on root token.
const erc115RootToken = posClient.erc115(<root token address>,true);
const approveResult = await erc115RootToken.approveAllForMintable();
const txHash = await approveResult.getTransactionHash();
const txReceipt = await approveResult.getReceipt();