context.rpc_server.mine_blocks(1);
let script = script::Builder::new()
.push_opcode(opcodes::OP_FALSE)
.push_opcode(opcodes::all::OP_IF)
.push_slice(b"ord")
.push_slice([1])
.push_slice(b"text/plain;charset=utf-8")
.push_slice([])
.push_slice(b"foo")
.push_opcode(opcodes::all::OP_ENDIF)
.push_opcode(opcodes::OP_FALSE)
.push_opcode(opcodes::all::OP_IF)
.push_slice(b"ord")
.push_slice([1])
.push_slice(b"text/plain;charset=utf-8")
.push_slice([])
.push_slice(b"bar")
.push_opcode(opcodes::all::OP_ENDIF)
.push_opcode(opcodes::OP_FALSE)
.push_opcode(opcodes::all::OP_IF)
.push_slice(b"ord")
.push_slice([1])
.push_slice(b"text/plain;charset=utf-8")
.push_slice([])
.push_slice(b"qix")
.push_opcode(opcodes::all::OP_ENDIF)
.into_script();
let witness = Witness::from_slice(&[script.into_bytes(), Vec::new()]);