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TokenMint
Mints tokens to the Token's treasury Account. If no Supply Key is defined, the transaction will resolve to TOKEN_HAS_NO_SUPPLY_KEY.
The operation increases the Total Supply of the Token. The maximum total supply a token can have is 2^63-1.
The amount provided must be in the lowest denomination possible. Example:Token A has 2 decimals. In order to mint 100 tokens, one must provide amount of 10000. In order to mint 100.55 tokens, one must provide amount of 10055.

TokenMintTransactionBody

Field
Type
Description
token
​TokenID​
The token for which to mint tokens. If token does not exist, transaction results in INVALID_TOKEN_ID
amount
uint64
Applicable to tokens of type FUNGIBLE_COMMON. The amount to mint to the Treasury Account. Amount must be a positive non-zero number represented in the lowest denomination of the token. The new supply must be lower than 2^63.
metadata
repeated bytes
Applicable to tokens of type NON_FUNGIBLE_UNIQUE. A list of metadata that are being created. Maximum allowed size of each metadata is 100 bytes. The metadata can be arbitrary, but we recommend developers to follow HIP-10 standard.
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