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fullblocktests: Add additional tests

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* Test sub-second time precision
* Test difficulty less than zero
* Test difficulty above maximum
This commit is contained in:
John C. Vernaleo 2016-11-02 00:18:08 -05:00 committed by Dave Collins
parent 3e036a2a82
commit 13c3301cb4
1 changed files with 44 additions and 2 deletions
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46
blockchain/fullblocktests/generate.go
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@ -3233,6 +3233,48 @@ func Generate() (tests [][]TestInstance, err error) {
})
rejected(blockchain.ErrDuplicateTxInputs)
// Create block with nanosecond precision timestamp.
//
// ... -> b61(14)
// \-> b77(15)
g.setTip("b61")
g.nextBlock("b77", outs[15], ticketOuts[15], func(b *wire.MsgBlock) {
b.Header.Timestamp = b.Header.Timestamp.Add(1 * time.Nanosecond)
})
rejected(blockchain.ErrInvalidTime)
// Create block with target difficulty that is too low (0 or below).
//
// ... -> b61(14)
// \-> b78(15)
g.setTip("b61")
b78 := g.nextBlock("b78", outs[15], ticketOuts[15])
{
// This can't be done inside a munge function passed to nextBlock
// because the block is solved after the function returns and this test
// involves an unsolvable block.
b78Hash := b78.BlockSha()
b78.Header.Bits = 0x01810000 // -1 in compact form.
g.updateBlockState("b78", b78Hash, "b78", b78)
}
rejected(blockchain.ErrUnexpectedDifficulty)
// Create block with target difficulty that is greater than max allowed.
//
// ... -> b61(14)
// \-> b79(15)
g.setTip("b61")
b79 := g.nextBlock("b79", outs[15], ticketOuts[15])
{
// This can't be done inside a munge function passed to nextBlock
// because the block is solved after the function returns and this test
// involves an improperly solved block.
b79Hash := b79.BlockSha()
b79.Header.Bits = g.params.PowLimitBits + 1
g.updateBlockState("b79", b79Hash, "b79", b79)
}
rejected(blockchain.ErrUnexpectedDifficulty)
// ---------------------------------------------------------------------
// More signature operation counting tests.
// ---------------------------------------------------------------------
@ -3255,14 +3297,14 @@ func Generate() (tests [][]TestInstance, err error) {
// [7054] : OP_CHECKSIG (goes over the limit)
//
// ... -> b61(14)
// \-> b77(15)
// \-> b80(15)
g.setTip("b61")
scriptSize := maxBlockSigOps + 5 + (maxScriptElementSize + 1) + 1
tooManySigOps = repeatOpcode(txscript.OP_CHECKSIG, scriptSize)
tooManySigOps[maxBlockSigOps] = txscript.OP_PUSHDATA4
binary.LittleEndian.PutUint32(tooManySigOps[maxBlockSigOps+1:],
maxScriptElementSize+1)
g.nextBlock("b77", outs[15], ticketOuts[15], replaceSpendScript(tooManySigOps))
g.nextBlock("b80", outs[15], ticketOuts[15], replaceSpendScript(tooManySigOps))
g.assertTipBlockSigOpsCount(maxBlockSigOps + 1)
rejected(blockchain.ErrTooManySigOps)