Usage

This is a description of the features that the token module offers.

Contents

Name	Description
1. Token.createToken	Create tokens.
2. Token.mint	Mint tokens.
3. Token.burn	Burn tokens.
4. Token.updateTokenURI	Modify the meta data of the token.
5. Bank.sendToken	Transfer tokens to a different wallet.
6. Parameter Description	Parameters required to call API.

1. Token.createToken

Create tokens. Created tokens are recorded on the network and the transaction record detailing the success/failure of token creation is also generated.

Parameters

Name	Type	Example
wallet	Object (FirmaWalletService)	You can check how to use your wallet in the "firma-js of the Github repository".
tokenName	String	FIRMA TOKEN
tokenSymbol	String	FIRMA
tokenURI	String	"https://firmachain.org/nft/metadata/bcf5cdajs-ff12...-d2han89nnha1"
totalSupply	Number	10000000
decimal	Number	6
isMintable	Boolean	true
isBurnable	Boolean	true
txMisc (Not required)	Object (TxMisc)	{fee:200000,gas:86840,memo:"custom message"}

Return value

{
  code: 0,
  height: 1191778,
  rawLog: '[{
    "events": [
    ...
    {
      "type":"message",
      "attributes":[
        {"key":"action","value":"CreateToken"},
        {"key":"sender","value":"firma183rfa8tvtp6ax7jr7dfaf7ywv870sykxa47lp2"},
        {"key":"Owner","value":"firma1trqyle9m2nvyafc2n25frkpwed2504y6avgfzr"},
        {"key":"TokenID","value":"ufirma"},
        {"key":"TokenName","value":"FIRMA TOKEN"},
        {"key":"TokenSymbol","value":"FIRMA"}
      ]
    },
    ...]
  }]',
  transactionHash: '4AA07BBF6D5C83C2746636E0F3A262E2ED34644BFE95C8151E12C5F7802E92D2',
  gasUsed: 86840,
  gasWanted: 200000
}

2. Token.mint

Users can mint additional tokens aside from the one initially created. If the “isMintable” value is false, you cannot mint additional tokens.

Parameters

Name	Type	Example
wallet	Object (FirmaWalletService)	You can check how to use your wallet in the "firma-js of the Github repository".
tokenID	String	"ufirma"
amount	Number	10000000
decimal	Number	6
toAddress	String	"firma1nssuz67am2uwc2hjgvphg0fmj3k9l6cx65ux9u"
txMisc (Not required)	Object (TxMisc)	{fee:200000,gas:87084,memo:"custom message"}

Return value

{
  code: 0,
  height: 1191972,
  rawLog: '[{
    "events": [
    ...
    {
      "type":"message",
      "attributes": [
        {"key":"action","value":"Mint"},
        {"key":"sender","value":"firma183rfa8tvtp6ax7jr7dfaf7ywv870sykxa47lp2"},
        {"key":"Owner","value":"firma1trqyle9m2nvyafc2n25frkpwed2504y6avgfzr"},
        {"key":"TokenID","value":ufirma"},
        {"key":"MintAmount","value":"100000000000"},
        {"key":"TotalSupply","value":"10100000000000"}
      ]
    },
    ...
    ]
  }]',
  transactionHash: '8CA536E94D71B6997027453A7275500A94CEBB41C7ABE79203CA937333C51DAA',
  gasUsed: 87084,
  gasWanted: 200000
}

3. Token.burn

Burn tokens. If the “isBurnable” value is false, you cannot burn tokens.

Parameters

Name	Type	Example
wallet	Object (FirmaWalletService)	You can check how to use your wallet in the "firma-js of the Github repository".
tokenID	String	"ufirma"
amount	Number	10000000
decimal	Number	6
txMisc (Not required)	Object (TxMisc)	{fee:200000,gas:90787,memo:"custom message"}

Return value

{
  code: 0,
  height: 1192095,
  rawLog: '[{
    "events": [
    ...
    {
      "type":"message",
      "attributes": [
        {"key":"action","value":"Burn"},
        {"key":"sender","value":"firma1trqyle9m2nvyafc2n25frkpwed2504y6avgfzr"},
        {"key":"Owner","value":"firma1trqyle9m2nvyafc2n25frkpwed2504y6avgfzr"},
        {"key":"TokenID","value":"ufirma"},
        {"key":"BurnAmount","value":"10000000"},
        {"key":"TotalSupply","value":"10099990000000"}
      ]
    },
    ...
    ]
  }]',
  transactionHash: '159B2780F8651A675B1E81624D3D9A3882CD072754086B2F5EF08DFC4921F172',
  gasUsed: 90787,
  gasWanted: 200000
}

4. Token.updateTokenURI

Update the URL that points to the token’s meta data.

Parameters

Name	Type	Example
wallet	Object (FirmaWalletService)	You can check how to use your wallet in the "firma-js of the Github repository".
tokenID	String	"ufirma"
tokenURI	String	"https://firmachain.org/nft/metadata/bcf5cdajs-ff12...-d2han89nnha1"
txMisc (Not required)	Object (TxMisc)	{fee:200000,gas:66822,memo:"custom message"}

Return value

{
  code: 0,
  height: 1192288,
  rawLog: '[{
    "events":[{
      "type":"message",
      "attributes":[
        {"key":"action","value":"UpdateTokenURI"},
        {"key":"Owner","value":"firma1trqyle9m2nvyafc2n25frkpwed2504y6avgfzr"},
        {"key":"TokenID","value":"ufirma"},
        {"key":"TokenURI","value":"https://firmachain.org/nft/metadata/bcf5cdajs-ff12...-d2han89nnha1"}
      ]
    }]
  }]',
  transactionHash: '5A42EAD6C3210234F8F23B7CB6E6489D99C6E1D0ABBA1EBDFEA3668AF397E24E',
  gasUsed: 66822,
  gasWanted: 200000
}

5. Bank.sendToken

Transfer tokens to a different wallet.

Parameters

Name	Type	Example
wallet	Object (FirmaWalletService)	You can check how to use your wallet in the "firma-js of the Github repository".
targetAddress	String	"firma1nssuz67am2uwc2hjgvphg0fmj3k9l6cx65ux9u"
tokenID	String	"ufirma"
amount	Number	10
decimal	Number	6
txMisc (Not required)	Object (TxMisc)	{fee:200000,gas:68902,memo:"custom message"}

Return value

{
  code: 0,
  height: 1192536,
  rawLog: '[{
    "events":[
    ...
    {
      "type":"message",
      "attributes":[
        {"key":"action","value":"/cosmos.bank.v1beta1.MsgSend"},
        {"key":"sender","value":"firma1trqyle9m2nvyafc2n25frkpwed2504y6avgfzr"},
        {"key":"module","value":"bank"}
      ]
    }, {
      "type":"transfer",
      "attributes":[
        {"key":"recipient","value":"firma10ne3nw4kcfj6vjz84l2m3gj8vyaczfhma5ff69"},
        {"key":"sender","value":"firma1trqyle9m2nvyafc2n25frkpwed2504y6avgfzr"},
        {"key":"amount","value":"100000000ufirma"}
      ]
    }]
  }]',
  transactionHash: '0ECA7D7E78964B08A03521D79A04161FC2CCE807E4922748BFAED904573EE6A9',
  gasUsed: 68902,
  gasWanted: 200000
}

6. Parameter Description

Name	Description
wallet	Unique wallet parameter created from the user’s Mnemonic. This parameter can be called by using the Wallet.fromMnemonic function from the FirmaSDK module.
tokenName	This parameter refers to the buffer data of a file or a text.
tokenID	This is the ID generated at the time of token creation.
tokenSymbol	This is the symbol of the token being created.
tokenURI	This is the URL for the meta data of the token.
totalSupply	This is the total supply of the token being issued.
amount	This refers to the amount of tokens.
decimal	This refers to the decimal points.
isMintable	Users can decide whether to allow additional issuing of tokens at the time of token creation. If this value is false, you will not be able to mint additional tokens.
isBurnable	Users can decide whether to allow burning of tokens at the time of token creation. If this value is false, you will not be able to burn tokens.
toAddress (targetAddress)	For this parameter, please enter your FirmaChain wallet address.
txMisc (Not required)	This object contains the gas fee that is deducted when a transaction is called upon. * The default gas fee is set at 0.02fct.