@stellar-expert/contract-wasm-interface-parser

> Lightweight contract interface metadata parser for Soroban binary WASM

Installation

``shell
npm i @stellar-expert/contract-wasm-interface-parser
`

Usage

Download WASM contract code and call parseContractMetadata() function to obtain a parsed contract interface.

`js
parseContractMetadata(Buffer.from(/binary wasm code/))
`

Example output:

`json
{
"enums": {
"SubscriptionStatus": {
"cases": {
"Active": {
"value": 0
},
"Cancelled": {
"value": 2
},
"Suspended": {
"value": 1
}
}
}
},
"errors": {
"AlreadyInitialized": {
"value": 0
},
"InvalidAmount": {
"value": 4
},
"InvalidHeartbeat": {
"value": 5
},
"InvalidSubscriptionStatusError": {
"value": 8
},
"InvalidThreshold": {
"value": 6
},
"NotInitialized": {
"value": 3
},
"SubscriptionNotFound": {
"value": 2
},
"Unauthorized": {
"value": 1
},
"WebhookTooLong": {
"value": 7
}
},
"functions": {
"admin": {
"inputs": {},
"outputs": [
"Option

"
]
},
"cancel": {
"inputs": {
"subscription_id": {
"type": "u64"
}
},
"outputs": []
},
"charge": {
"inputs": {
"subscription_ids": {
"type": "Vec"
}
},
"outputs": []
},
"config": {
"inputs": {
"config": {
"type": "ConfigData"
}
},
"outputs": []
},
"create_subscription": {
"inputs": {
"amount": {
"type": "u64"
},
"new_subscription": {
"type": "CreateSubscription"
}
},
"outputs": [
"(u64, Subscription)"
]
},
"deposit": {
"inputs": {
"amount": {
"type": "u64"
},
"from": {
"type": "Address"
},
"subscription_id": {
"type": "u64"
}
},
"outputs": []
},
"fee": {
"inputs": {},
"outputs": [
"u64"
]
},
"get_subscription": {
"inputs": {
"subscription_id": {
"type": "u64"
}
},
"outputs": [
"Subscription"
]
},
"set_fee": {
"inputs": {
"fee": {
"type": "u64"
}
},
"outputs": []
},
"token": {
"inputs": {},
"outputs": [
"address"
]
},
"trigger": {
"inputs": {
"timestamp": {
"type": "u64"
},
"trigger_hash": {
"type": "BytesN<32>"
}
},
"outputs": []
},
"update_contract": {
"inputs": {
"wasm_hash": {
"type": "BytesN<32>"
}
},
"outputs": []
},
"version": {
"inputs": {},
"outputs": [
"u32"
]
}
},
"structs": {
"ConfigData": {
"fields": {
"admin": {
"type": "Address"
},
"fee": {
"type": "u64"
},
"token": {
"type": "Address"
}
}
},
"CreateSubscription": {
"fields": {
"asset1": {
"type": "TickerAsset"
},
"asset2": {
"type": "TickerAsset"
},
"heartbeat": {
"type": "u32"
},
"owner": {
"type": "Address"
},
"threshold": {
"type": "u32"
},
"webhook": {
"type": "Bytes"
}
}
},
"Subscription": {
"fields": {
"asset1": {
"type": "TickerAsset"
},
"asset2": {
"type": "TickerAsset"
},
"balance": {
"type": "u64"
},
"heartbeat": {
"type": "u32"
},
"last_charge": {
"type": "u64"
},
"owner": {
"type": "Address"
},
"status": {
"type": "SubscriptionStatus"
},
"threshold": {
"type": "u32"
},
"webhook": {
"type": "Bytes"
}
}
},
"TickerAsset": {
"fields": {
"asset": {
"type": "Asset"
},
"source": {
"type": "string"
}
}
}
},
"unions": {
"Asset": {
"cases": {
"Other": [
"symbol"
],
"Stellar": [
"address"
]
}
}
},
"interfaceVersion": "20.0",
"rustVersion": "1.74.0",
"sdkVersion": "20.5.0#9e2c3022b4355b224a7a814e13ba51761eeb14bb"
}
``