Contract method always timeout, never return the TransactionReceipt

[y0unghe]

After the contract method is sent, just return the transaction hash

It seems the contract method never works. No matter how high the gas was set, it never works. The TransactionReceipt never return. How about learning from other web3 libraries, just return the transaction hash, no need to return the TransactionReceipt.

[AlexandrouR]

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