func makeTransactionForChainWithHoursFee(t *testing.T, bc *Blockchain,
ux coin.UxOut, sec cipher.SecKey, hours, fee uint64) (coin.Transaction, cipher.SecKey) {
chrs := ux.CoinHours(bc.Time())
if chrs < hours+fee {
log.Panicf("CoinHours underflow. Have %d, need at least %d", chrs,
hours+fee)
}
assert.Equal(t, cipher.AddressFromPubKey(cipher.PubKeyFromSecKey(sec)), ux.Body.Address)
knownUx, exists := bc.GetUnspent().Get(ux.Hash())
assert.True(t, exists)
assert.Equal(t, knownUx, ux)
tx := coin.Transaction{}
tx.PushInput(ux.Hash())
p, newSec := cipher.GenerateKeyPair()
addr := cipher.AddressFromPubKey(p)
tx.PushOutput(addr, 1e6, hours)
coinsOut := ux.Body.Coins - 1e6
if coinsOut > 0 {
tx.PushOutput(genAddress, coinsOut, chrs-hours-fee)
}
tx.SignInputs([]cipher.SecKey{sec})
assert.Equal(t, len(tx.Sigs), 1)
assert.Nil(t, cipher.ChkSig(ux.Body.Address, cipher.AddSHA256(tx.HashInner(), tx.In[0]), tx.Sigs[0]))
tx.UpdateHeader()
assert.Nil(t, tx.Verify())
err := bc.VerifyTransaction(tx)
assert.Nil(t, err)
return tx, newSec
}
func TransactionToJSON(tx coin.Transaction) string {
var o TransactionJSON
if err := tx.Verify(); err != nil {
log.Panic("Input Transaction Invalid: Cannot serialize to JSON, fails verify")
}
o.Hash = tx.Hash().Hex()
o.InnerHash = tx.InnerHash.Hex()
if tx.InnerHash != tx.HashInner() {
log.Panic("TransactionToJSON called with invalid transaction, inner hash mising")
}
o.Sigs = make([]string, len(tx.Sigs))
o.In = make([]string, len(tx.In))
o.Out = make([]TransactionOutputJSON, len(tx.Out))
for i, sig := range tx.Sigs {
o.Sigs[i] = sig.Hex()
}
for i, x := range tx.In {
o.In[i] = x.Hex() //hash to hex
}
for i, y := range tx.Out {
o.Out[i] = NewTransactionOutputJSON(y, tx.InnerHash)
}
b, err := json.MarshalIndent(o, "", " ")
if err != nil {
log.Panic("Cannot serialize transaction as JSON")
}
return string(b)
}