OP_PUSHDATA1, OP_PUSHDATA2 和 OP_PUSHDATA4

Word Opcode Hex Input Output Description
OP_PUSHDATA1 76 0x4c (special) data The next byte contains the number of bytes to be pushed onto the stack.
OP_PUSHDATA2 77 0x4d (special) data The next two bytes contain the number of bytes to be pushed onto the stack.
OP_PUSHDATA4 78 0x4e (special) data The next four bytes contain the number of bytes to be pushed onto the stack.

相应的链接: https://en.bitcoin.it/wiki/Script 

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