注意: 此页面尚未翻译成中文。以下内容为英文原版。 
function getTxType(from, to): number
Determines the transaction type based on the sender and recipient addresses. The function checks if both addresses are UTXO addresses, in which case it returns 2. If only the sender address is a UTXO address, it returns 1. Otherwise, it returns 0.

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Parameters

ParameterTypeDescription
fromnull | stringThe sender address. If null, the function returns 0.
tonull | stringThe recipient address. If null, the function returns 0.

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Returns

number The transaction type based on the addresses.

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Source

utils/shards.ts:53