Optimism

/getbalance

Get the balance or number of the given token in the requested public address.

GET https://api.expand.network/chain/getbalance

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
address*	String	The public address to get the balance of.
tokenAddress	String	The address of token to get the balance of.

Sample Request

https://api.expand.network/chain/getbalance/?address=0x6af9fed62bb9011a12cb8aa69e771c1bd0ad988e&chainId=10

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "balance": "2329827393417488"
    }
}

/getblock

Get details of a block.

GET https://api.expand.network/chain/getblock

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
blockNumber*	String	The block number or block hash.

Sample Request

https://api.expand.network/chain/getblock?blockNumber=2525553&chainId=10

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "difficulty": "2",
        "gasLimit": 15000000,
        "gasUsed": 29748,
        "hash": "0xbd58af4a6397689d75fbd7e8a8fc39020eaf576d21abd6250a1b8d0230d2a6d5",
        "miner": "0x0000000000000000000000000000000000000000",
        "nonce": "0x0000000000000000",
        "number": 2525553,
        "parentHash": "0xea3897af1d45e7fd769759a900e69c55e75b2e0a9247c2fdc6efe1a7a8804e3b",
        "size": 748,
        "timestamp": 1642782884,
        "totalDifficulty": "5051107",
        "transactions": [
            "0xfe5498249018ea069693b2fccd7a61c520e7c891a311567e5cd67ec1f16e7034"
        ],
        "transactionsRoot": "0xcb34fb1ba590177e399e1c51462ad17112d03d471158acefbdb789ee197f19ce",
        "uncles": []
    }
}

/getgasprice

Get the current gas price from the network.

GET https://api.expand.network/chain/getgasprice

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.

Sample Request

https://api.expand.network/chain/getgasprice?chainId=10

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "gasPrice": "1000000"
    }
}

/getstorage

Get data stored in the given slot.

GET https://api.expand.network/chain/getstorage

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
address*	String	Contract address whose storage is needed.
index	String	Slot index on the smart contract. By default, it is taken as 0.

Sample Request

https://api.expand.network/chain/getstorage?chainId=10&address=0x5470EA9f962D138229043F903b96E083484A6330

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "data": "0x0000000000000000000001006af9fed62bb9011a12cb8aa69e771c1bd0ad988e"
    }
}

/gettransaction

Get details of a transaction.

GET https://api.expand.network/chain/gettransaction

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
transactionHash*	String	The transaction hash.

Sample Request

https://api.expand.network/chain/gettransaction?chainId=10&transactionHash=0xda0dd3b42e45d85ddb470cab146bbc957ee0eb5a6c95ab9996b6c3a1868b0082

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "hash": "0xda0dd3b42e45d85ddb470cab146bbc957ee0eb5a6c95ab9996b6c3a1868b0082",
        "transactionStatus": null,
        "blockNumber": 71563515,
        "timestamp": null,
        "from": "0x6Af9Fed62bb9011A12cB8AA69e771c1BD0AD988E",
        "to": "0x5470EA9f962D138229043F903b96E083484A6330",
        "value": "0",
        "transactionFees": "164014000000",
        "gas": 164014,
        "gasPrice": "1000000",
        "input": "0xb6b55f25000000000000000000000000000000000000000000000005be07ce1fc37bd490",
        "nonce": 91,
        "network": null
    }
}

/portfolio

Get detailed information about the verified assets or tokens currently associated with a user's wallet address.

GET https://api.expand.network/chain/portfolio

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
address*	String	Public addess of the user.
tokens	String	Comma-separated value of ERC-20 tokens to get value of. Maximum 10 at a time.
availableOnly	Boolean	By default, false. If true, tokens with balance > 0 will be listed.
pageToken	String	Present at the end of a lengthy response to fetch the next page.
assetType	String	fungible/nonFungible standard choice. By default, all.

Sample Request

https://api.expand.network/chain/portfolio?chainId=10&address=0xDeaDDEaDDeAdDeAdDEAdDEaddeAddEAdDEAd0001&availableOnly=true

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "native": "0",
        "evmTokens": [
            {
                "name": "$FLOKI AIRDROP AT flokicrypto.xyz",
                "symbol": "$FLOKI",
                "decimals": "0",
                "address": "0x0b0556f2604431e78f5aca455c6de70078c681c7",
                "balance": "1",
                "assetType": "ERC1155",
                "tokenId": "0"
            },
            {
                "name": "FLOKI AIRDROP AT floki-crypto.online",
                "symbol": "$FLOKI",
                "decimals": "0",
                "address": "0xba3991734d633e9e6ac71139537518abc50a23f0",
                "balance": "4",
                "assetType": "ERC1155",
                "tokenId": "1"
            },
            {
                "name": "Omnichain Adventures",
                "symbol": "OMNIA",
                "decimals": "0",
                "address": "0xd12999440402d30f69e282d45081999412013844",
                "balance": "1",
                "assetType": "ERC721",
                "tokenId": "3587678"
            }
        ]
    }
}

/sendtransaction

Send transaction on the chain.

POST https://api.expand.network/chain/sendtransaction

Request Body

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
rawTransaction*	String	The encoded transaction, obtained from the signed transaction.

Sample Request

{
    "chainId" : "10",
    "rawTransaction": "0xf86f048433918fbe830493e0949b79d6dfe4650d70f35dbb80f7d1ec0cf7f823fd87038d7ea4c6800084022794382da0c9bd6b5c7e18a258b04039d524a3e1382ec0f522d160dc027428933f520b6868a07332736f1df297842299230820626f1fc5b8d4cdd602ade55e3ba02c63e756ce"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId" : "10",
        "transactionHash": "0x8375c5eedd17609292cecc051c18e180fa970b32a77011c48d3725e45e46e7b3" 
    }
}

/decodetransaction

Get the decoded transaction for the provided raw transaction.

POST https://api.expand.network/chain/decodetransaction

Request Body

Name	Type	Description
chainId	String	Refer to the Chain ID page for details. By default, Ethereum.
chainSymbol	String	Refer to the Chain ID page for details.
rawTransaction*	String	The raw transaction to be given for decoding.

Sample Request

{
    "chainId": "10",
    "rawTransaction": "0xf86c808401fedd93830d575194a67e9b68c41b0f26184d64c26e0b2b81466e5994888ac7230489e800008038a09055da16d4d23b1d1831ff8c150820a5e48dc931a0682c708b147ffb9db78f95a0037037cd03120d877daf33ae416fe4f14091624da042312a5c080a25752839f8"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "parsedTx": {
            "nonce": 0,
            "gasPrice": {
                "type": "BigNumber",
                "hex": "0x01fedd93"
            },
            "gasLimit": {
                "type": "BigNumber",
                "hex": "0x0d5751"
            },
            "to": "0xa67E9B68c41b0f26184D64C26e0b2B81466E5994",
            "value": {
                "type": "BigNumber",
                "hex": "0x8ac7230489e80000"
            },
            "data": "0x",
            "chainId": 10,
            "v": 56,
            "r": "0x9055da16d4d23b1d1831ff8c150820a5e48dc931a0682c708b147ffb9db78f95",
            "s": "0x037037cd03120d877daf33ae416fe4f14091624da042312a5c080a25752839f8",
            "from": "0xa2e73C17F437688946993F683930E3Fd42Dd4F8C",
            "hash": "0x7616dbfb6f7b9a3d82049be986b913a4b03d264ed5ecc7496cfb6037bb157dde",
            "type": null
        },
        "assetChanges": {
            "from": "0xa2e73C17F437688946993F683930E3Fd42Dd4F8C",
            "to": "0xa67E9B68c41b0f26184D64C26e0b2B81466E5994",
            "value": {
                "type": "BigNumber",
                "hex": "0x8ac7230489e80000"
            }
        }
    }
}