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squeezer-chainkit
Advanced tools
Agnostic blockchain integration
The main usage of the ChainKit is to unify top blockchains interfaces into a single normalized API interface , therefore you can build blockchain apps easily without digging into blockchain infrastructure
Check the Squeezer ChainKit Gateway API Documentation:
npm install squeezer-chainkit --save
You will need a Squeezer access key in order to use the chainkit. You can get one here
const ChainKit = require('squeezer-chainkit');
const chainKit = new ChainKit(options);
options
requiredoptions.accessKey
- required Squeezer access keyoptions.environment
- required use test
for sandbox or live
for productionThe ITN system will notify your server when you receive a transaction and when a transaction status changes. This is a quick and useful way to integrate blockchain transactions processing.
Please check the Squeezer Blockchain Gateway API Documentation
-> Configure ITN callback url
chainKit.configureItnUrl(options, callback)
options
- required.options.url
- required. ITN callback url (http://example.org/itn/callback
).callback
- required callback function, accepts 2 values (error
,result
)Example request
chainKit.configureItnUrl({
url: 'http://example.org/itn/callback'
}, (err, response) => {
console.log(response)
});
Example response from server
{
"walletId": "8193d025-6430-496e-abf3-88f06b51889c",
"address": "0xbd61ef790C3eaf4D0c4D4bE3558F8a501863525f",
"token": "41dbecfb0454183a4c7a9be8b874e1785b5..."
}
ITN JSON object:
{
"from": "0xc03f7B9bddF8aeeBCbA2f818E5f873f71b85EB5c",
"to": "0x903f7B9bddF8aeeBCbA2f818E5f873f71b85EB5c",
"amount": "0.99999999",
"type": "in",
"currency": "ETH",
"accessKeyHash": "accessKeyHash",
"hash": "0xcf387e8d1a95bd3a5b54269aa0a228...",
"block": "891093",
"status": 1,
"itnStatus": 1,
"createdAt": "2018-05-13 18:09:18",
"updateAt": "2018-05-13 18:09:18"
}
NOTE: As a security measure please make sure that you validate accessKeyHash
is the same at with your default access key
Validate accessKeyHash
example:
if (accessKeyHash === crypto.createHmac('SHA256', accessKey).update(accessKey).digest('hex')) {
console.log('valid access key hash')
} else {
console.log('invalid access key hash')
}
Get current available blockchain wallet types
chainKit.walletTypes(callback)
callback
- required callback function, accepts 2 values (error
,result
)Example request
chainKit.walletTypes((err, response) => {
console.log(response)
});
Example response from server
{
"message":"success",
"data":[
{
"type":"ethereum",
"info":"Ethereum wallet."
},
{
"type":"stellar",
"info":"Stellar wallet."
}
]
}
Create a new blockchain wallet.
chainKit.createWallet(options, callback)
options
- required.options.type
- required. Wallet type (ETH
).options.secret
- required. Secret (secret123
).options.options
- required. Options object.callback
- required callback function, accepts 2 values (error
,result
)Example request
chainKit.createWallet({
type: 'ethereum',
options: {
asset: 'ETH',
assetType: 'native'
}
}, (err, response) => {
console.log(response)
});
Example response from server
{
"walletId": "8193d025-6430-496e-abf3-88f06b51889c",
"address": "0xbd61ef790C3eaf4D0c4D4bE3558F8a501863525f",
"token": "41dbecfb0454183a4c7a9be8b874e1785b5..."
}
NOTE: Squeezer will not store any sensitive data similar to token
. For later usage please store the wallet details on a secure & safe environment.
Initiate a new blockchain transaction.
chainKit.sendTransaction(options, callback)
options
- required.options.amount
- required. Amount to send, 8 decimal max. (0.01
).options.walltId
- required. wallet id. (ETH
).options.to
- required. Receiver's addressoptions.token
- required. Wallet tokenoptions.secret
- required. Secret (secret123
).callback
- required callback function, accepts 2 values (error
,result
)Example request
chainKit.sendTransaction({
amount: 0.01,
walletId: '1dd2e289-8f80-4b4a-8592-xxxxxxxxxxx',
to: '0x207E1a4F3Ab910D2164bC3646CFD0aF697f86713',
token: "41dbecfb04541........"
}, (err, response) => {
console.log(response)
});
Example response from server
{
"hash" : "0x4b9c1358fcbeb5434457355e3e8e44e10ebc6bec02d40c7a28046b1cfef99476"
}
Get transactions for a specific wallet
chainKit.getTransactions(options, callback)
options
- required.options.walletId
- required. Wallet IDcallback
- required callback function, accepts 2 values (error
,result
)Example request
chainKit.getTransactions({
walletId: "0dbeb851-b9e7-42e4-a448-71f8520f1ea3",
}, (err, response) => {
console.log(response)
});
Example response from server
{
"message": "success",
"data": [
{
"from": "0xc03f7B9bddF8aeeBCbA2f818E5f873f71b85EB5c",
"to": "0x903f7B9bddF8aeeBCbA2f818E5f873f71b85EB5c",
"amount": 0.99999999,
"type": "in",
"hash": "0xcf387e8d1a95bd3a5b54269aa0a228f159d3cd33fa9e946617c532c5cb8c77bb",
"block": 891093,
"status": 0,
"itnStatus": 0,
"createdAt": "2018-05-13 18:09:18",
"updateAt": "2018-05-13 18:09:18"
}
]
}
Get balance for a specific wallet
chainKit.getBalance(options, callback)
options
- required.options.walletId
- required. Wallet IDcallback
- required callback function, accepts 2 values (error
,result
)Example request
chainKit.getBalance({
walletId: "0dbeb851-b9e7-42e4-a448-71f8520f1ea3",
}, (err, response) => {
console.log(response)
});
Example response from server
{
"message":"success",
"data": {
"balance":0
}
}
Access a smart contract
chainKit.smartContract(options, callback)
options
- required.options.address
- required. Smart contract address.options.type
- required. Smart contract type. (ETH
)options.abi
- required. Abi code.options.methods
- required. Smart contract methods.options.token
- required. Wallet tokencallback
- required callback function, accepts 2 values (error
,result
)Example request
chainKit.smartContract({
type: 'ETH',
abi : '',
address: '0x207E1a4F3Ab910D2164bC3646CFD0aF697f86713',
token: '348nagfgf45tgtg....',
methods: [{
listVotes: ['arg1', 'arg2'],
votesType: ['positive']
}]
}, (err, response) => {
console.log(response)
});
FAQs
Squeezer agnostic blockchain integration
We found that squeezer-chainkit demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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