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BlockchainContractValue[caddr]

gets the result obtained from a Wolfram expression contract at blockchain address caddr.

BlockchainContractValue[caddr,prop]

gets the property prop of the result obtained from a Wolfram expression contract with address caddr.

BlockchainContractValue[caddr,func]

calls the function func of a contract with address caddr.

BlockchainContractValue[caddr,assoc]

calls a contract with address caddr with the properties defined in Association assoc.

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BlockchainContractValue   

Versions for specific blockchains »

BlockchainContractValue[caddr]

gets the result obtained from a Wolfram expression contract at blockchain address caddr.

BlockchainContractValue[caddr,prop]

gets the property prop of the result obtained from a Wolfram expression contract with address caddr.

BlockchainContractValue[caddr,func]

calls the function func of a contract with address caddr.

BlockchainContractValue[caddr,assoc]

calls a contract with address caddr with the properties defined in Association assoc.

Details and Options

Examples

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Basic Examples  (6)

Verify the total supply of OmiseGo tokens using its address:

Wolfram Language code: omgtoken = First[BlockchainTokenData["OMGToken", "TokenAddress", BlockchainBase -> {"Ethereum", "Mainnet"}]]
Wolfram Language code: BlockchainContractValue[omgtoken, Typed["totalSupply", "uint256"], BlockchainBase -> {"Ethereum", "Mainnet"}]

Check the balance of OMG tokens of a certain holder:

Wolfram Language code: omgtoken = First[BlockchainTokenData["OMGToken", "TokenAddress", BlockchainBase -> {"Ethereum", "Mainnet"}]]
Wolfram Language code: sender = RandomChoice[First[BlockchainTokenData["OMGToken", "TransferList", BlockchainBase -> "Ethereum"]]]["Sender"]
Wolfram Language code: BlockchainContractValue[omgtoken, <|"Function" -> Typed["balanceOf", "address" -> "uint256"], "Inputs" -> sender|>, BlockchainBase -> {"Ethereum", "Mainnet"}]

Check the auction of CryptoKitty with Token ID 883551:

Wolfram Language code: BlockchainContractValue["b1690C08E213a35Ed9bAb7B318DE14420FB57d8C", <|"Function" -> Typed["getAuction", "uint256" -> {"address", "uint256", "uint256", "uint256", "uint256"}], "Inputs" -> 883551|>, BlockchainBase -> {"Ethereum", "Mainnet"}]

Call the function owner, given an address:

Wolfram Language code: BlockchainContractValue["9850711951a84ef8a2a31a7868d0dca34b0661ca", Typed["owner", "address"], BlockchainBase -> "Bloxberg"]

Get the storage of the USDtz Tezos token contract:

Wolfram Language code: BlockchainContractValue["KT1LN4LPSqTMS7Sd2CJw4bbDGRkMv2t68Fy9", BlockchainBase -> "Tezos"]

Get the total supply of tokens of the USDtz token contract using an annotation:

Wolfram Language code: BlockchainContractValue["KT1LN4LPSqTMS7Sd2CJw4bbDGRkMv2t68Fy9", "totalSupply", BlockchainBase -> "Tezos"]

Options  (3)

BlockchainBase  (2)

Mainnet  (1)

Get the total supply of CryptoKitties token using its address:

Wolfram Language code: address = "06012c8cf97BEaD5deAe237070F9587f8E7A266d";
Wolfram Language code: BlockchainContractValue[address, Typed["totalSupply", "uint256"], BlockchainBase -> {"Ethereum", "Mainnet"}]

Testnet  (1)

Get the value of a contract that was deployed in the past:

Wolfram Language code: BlockchainContractValue["0xE8c9b0a7dc69cc39d2Bc528Bb6509D052fff37CD", <|"Function" -> Typed["MAX_TWITT_LENGTH", {} -> {"uint16"}]|>, BlockchainBase -> {"Ethereum", "Testnet"}]

MaxItems  (1)

List the 5 most recently updated big map elements from the "royalties" big map:

Wolfram Language code: BlockchainContractValue["KT1Hkg5qeNhfwpKW4fXvq7HGZB9z2EnmCCA9", "royalties", BlockchainBase -> "Tezos", MaxItems -> 5]//Dataset
Wolfram Research (2019), BlockchainContractValue, Wolfram Language function, https://reference.wolfram.com/language/ref/BlockchainContractValue.html.

Text

Wolfram Research (2019), BlockchainContractValue, Wolfram Language function, https://reference.wolfram.com/language/ref/BlockchainContractValue.html.

CMS

Wolfram Language. 2019. "BlockchainContractValue." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/BlockchainContractValue.html.

APA

Wolfram Language. (2019). BlockchainContractValue. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/BlockchainContractValue.html

BibTeX

@misc{reference.wolfram_2026_blockchaincontractvalue, author="Wolfram Research", title="{BlockchainContractValue}", year="2019", howpublished="\url{https://reference.wolfram.com/language/ref/BlockchainContractValue.html}", note=[Accessed: 13-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_blockchaincontractvalue, organization={Wolfram Research}, title={BlockchainContractValue}, year={2019}, url={https://reference.wolfram.com/language/ref/BlockchainContractValue.html}, note=[Accessed: 13-June-2026]}