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I'm following the ethereum walkthrough at: https://hackernoon.com/ethereum-development-walkthrough-part-2-truffle-ganache-geth-and-mist-8d6320e12269

I got stuck at account0 = web3.eth.accounts[0]. The result would be "undefined". Also the result is undefined for Wrestling.deployed().then(inst => { WrestlingInstance = inst }).

The command WrestlingInstance.wrestler1.call() does return the first address.

I was able to set account0 using the lines: var account0;

web3.eth.getAccounts().then(e => {account0 = e[0]})

Now when I enter WrestlingInstance.registerAsAnOpponent({from: account1}) I get the error:

sender account not recognized

I expect truffle to return that a transaction has occurred.

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