CreateTransaction create a transaction that spends the first output of provided transaction.

ForAllNets runs the passed testFunc with all available networks if setDifficultyToMinumum = true - will modify the net params to have minimal difficulty, like in SimNet.

NewTestGhostDAGSorter returns a sort.Interface over the slice, so you can sort it via GhostDAG ordering.

OpTrueScript returns a P2SH script paying to an anyone-can-spend address, The second return value is a redeemScript to be used with txscript.PayToScriptHashSignatureScript.