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- 31.10.2020
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Ethereum block time api
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We offer a number of API endpoints that significantly simplify contract creation and method calling. Via the methods below, you can embed new contracts into the Ethereum blockchain, check their code and ABI, and initiate contract methods and execution. With great power comes great responsibility; in other words, it's easier to shoot yourself in the foot with Ethereum. Don't The DAO it. Follow best security and safety practices when coding your smart contracts.
Several of the requests below need a private key to pay for contract gas. We feel this is an acceptable security tradeoff to make the API much easier to use, given that for development you don't need a lot of money to push and call contracts. Just keep a minimal amount of ether on your development key, and if you need to fund your contract with more ether, use a different key and keep it safe. Create Contract Endpoint Check solidity compilation via non-published test Using "greeter" contract solidity example, the "hello world" of Ethereum cat testGreeter.
It's an easy to validate your contract compiles before pushing it to the Ethereum blockchain. The params property lets you provide arguments to the contract constructor. If your contract has no constructor or the constructor takes no arguments, this property can be omitted.
Monitor the mempool. Blocknative's mempool data platform has unrivaled transaction resolution. By tracking every in-flight transaction, Blocknative monitors mempool competition and rapidly changing gas prices. Choose confidence level for the next block. Blocknative's gas API enables you to target a specific block — currently the next block only — and to set your confidence level. We then suggest a gas price for your transaction based upon the current contents of the mempool.
Get on-chain with confidence. Blocknative's Gas Platform is fully documented, maintained, and supported. Get unrivaled gas fee estimates to power your project or trading strategy. The enterprise-grade mempool platform.
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This is particularly useful in times when gas prices are fluctuating a lot: you may want to increase the gas price of your transaction, to make sure it will be confirmed quickly. To "cancel" or "replace" a transaction, create a transaction with the same nonce as the one stuck in the mempool. Cancel: Send a transaction with a value of 0 ETH to your own Ethereum address, with the same nonce as the one stuck in the mempool. This will prevent your previous transaction from being confirmed.
Replace: Send the same transaction to another Ethereum address, with a higher gas price. Be sure to use the same nonce. It is still possible for the initial transaction to be confirmed. In that case, your replacement or cancellation transaction will be invalidated. Contract API Compared to other blockchains, contracts lie at the heart of Ethereum's unique value proposition.
Contracts can be expressively programmed in languages like Solidity ; if you're not familiar with Ethereum's contract language you should definitely start there. We offer a number of API endpoints that significantly simplify contract creation and method calling.
Via the methods below, you can embed new contracts into the Ethereum blockchain, check their code and ABI, and initiate contract methods and execution. And more coming soon. Unparalleled transaction resolution. Blocknative's global mempool platform constantly captures, normalizes, and enriches in-flight transaction data. So you get unmatched data coverage and sub-transaction resolution for Ethereum, xDai, Bitcoin, and Binance.
Monitor the mempool. Blocknative's mempool data platform has unrivaled transaction resolution. By tracking every in-flight transaction, Blocknative monitors mempool competition and rapidly changing gas prices. Choose confidence level for the next block. Blocknative's gas API enables you to target a specific block — currently the next block only — and to set your confidence level. We then suggest a gas price for your transaction based upon the current contents of the mempool.