GasEstimatesResource

Access via urblock.gasEstimates.

Estimate gas costs before submitting blockchain operations. Useful for cost forecasting, UI display, and ensuring sufficient wallet balance.

Methods

estimate(params)

Estimate gas cost for an operation.

Parameter	Type	Required	Description
operation	string	Yes	Operation type: mint, transfer, burn, approve, deploy
token_id	string	Yes	Token ID
to	string	Conditional	Recipient address (required for mint/transfer)
amount	string	Conditional	Amount in smallest unit (required for mint/transfer/burn)
from	string	Conditional	Sender address (required for transfer/burn)

const estimate = await urblock.gasEstimates.estimate({
  operation: "mint",
  token_id: "tok_abc123",
  to: "0x...",
  amount: "1000000000000000000",
});

console.log(estimate.gas_limit);          // "21000"
console.log(estimate.gas_price_gwei);     // "30"
console.log(estimate.estimated_cost_wei); // "630000000000000"
console.log(estimate.estimated_cost_eth); // "0.00063"

Returns: GasEstimateResponse

Field	Type	Description
gas_limit	string	Estimated gas units
gas_price_gwei	string	Current gas price in Gwei
estimated_cost_wei	string	Estimated cost in wei
estimated_cost_eth	string	Estimated cost in ETH/MATIC

See Also

• Gas Estimates API — full endpoint reference
• Gas Optimization Guide — reduce gas costs