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Both Rinkeby and Ropsten are public networks. But they are two different ethereum networks and have two seperate blockchains. By design, a blockchain Smart Contract cannot access any outside information other than what it receives by means of the signed payload which is the transaction that invoked this Smart Contract. The Smart Contract in a blockchain is ...


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The gas required exceeds allowance (8000029) or always failing transaction error consists of two parts, either one of which may have taken place: The gas required for executing the transaction exceeds the gas-limit for the given block The transaction has reverted due to require(cond) with cond evaluating to false From my experience, this error is issued ...


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