appunti/img/en-p2pkh-stack.svg

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<!-- Title: blockchain Pages: 1 -->
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<title>blockchain</title>
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<text text-anchor="middle" x="376" y="-8.4" font-family="Sans" font-size="14.00">Evaluation Stack Over Time During Succesful P2PKH Script Validation</text>
<g id="graph2" class="cluster"><title>cluster_alice</title>
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<text text-anchor="middle" x="359" y="-522.4" font-family="Sans" font-size="14.00">Instructions And Data Provided By Alice In Transaction #1&#39;s Pubkey Script</text>
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<g id="graph3" class="cluster"><title>cluster_bob</title>
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<text text-anchor="middle" x="359" y="-437.4" font-family="Sans" font-size="14.00">Data Provided By Bob In Transaction #2&#39;s Input Signature Script</text>
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<!-- alice_opchecksig -->
<g id="node2" class="node"><title>alice_opchecksig</title>
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<text text-anchor="middle" x="658" y="-483.9" font-family="Sans" font-size="14.00">CHECKSIG</text>
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<!-- bob_opchecksig -->
<!-- alice_opchecksig&#45;&gt;bob_opchecksig -->
<!-- alice_opequalverify -->
<g id="node3" class="node"><title>alice_opequalverify</title>
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<text text-anchor="middle" x="539" y="-483.9" font-family="Sans" font-size="14.00">OP_EQUALVERIFY</text>
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<!-- bob_opequalverify -->
<!-- alice_opequalverify&#45;&gt;bob_opequalverify -->
<!-- alice_pubkeyhash -->
<g id="node4" class="node"><title>alice_pubkeyhash</title>
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<text text-anchor="middle" x="414" y="-483.9" font-family="Sans" font-size="14.00">Pk Hash</text>
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<!-- bob_pubkeyhash -->
<!-- alice_pubkeyhash&#45;&gt;bob_pubkeyhash -->
<!-- alice_ophash -->
<g id="node5" class="node"><title>alice_ophash</title>
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<text text-anchor="middle" x="305" y="-483.9" font-family="Sans" font-size="14.00">OP_HASH160</text>
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<!-- bob_ophash -->
<!-- alice_ophash&#45;&gt;bob_ophash -->
<!-- alice_opdup -->
<g id="node6" class="node"><title>alice_opdup</title>
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<text text-anchor="middle" x="209" y="-483.9" font-family="Sans" font-size="14.00">OP_DUP</text>
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<!-- bob_opdup -->
<!-- alice_opdup&#45;&gt;bob_opdup -->
<!-- invis2_1 -->
<!-- alice_opdup&#45;&gt;invis2_1 -->
<g id="edge40" class="edge"><title>alice_opdup&#45;&gt;invis2_1</title>
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<!-- alice_pubkey -->
<!-- bob_pubkey -->
<g id="node15" class="node"><title>bob_pubkey</title>
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<text text-anchor="middle" x="121" y="-398.9" font-family="Sans" font-size="14.00">PubKey</text>
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<!-- alice_pubkey&#45;&gt;bob_pubkey -->
<!-- alice_sig -->
<!-- bob_sig -->
<g id="node16" class="node"><title>bob_sig</title>
<ellipse fill="none" stroke="black" cx="43" cy="-403" rx="27" ry="18"/>
<text text-anchor="middle" x="43" y="-398.9" font-family="Sans" font-size="14.00">Sig</text>
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<!-- alice_sig&#45;&gt;bob_sig -->
<!-- invis5_0 -->
<!-- bob_opchecksig&#45;&gt;invis5_0 -->
<!-- stack7_opchecksig -->
<g id="node45" class="node"><title>stack7_opchecksig</title>
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<text text-anchor="middle" x="665" y="-182.9" font-family="Sans" font-size="14.00">OP_CHECKSIG</text>
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<!-- bob_opchecksig&#45;&gt;stack7_opchecksig -->
<!-- stack6_opequalverify -->
<g id="node48" class="node"><title>stack6_opequalverify</title>
<polygon fill="lightgrey" stroke="black" points="610,-349 468,-349 468,-313 610,-313 610,-349"/>
<text text-anchor="middle" x="539" y="-326.9" font-family="Sans" font-size="14.00">OP_EQUALVERIFY</text>
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<!-- bob_opequalverify&#45;&gt;stack6_opequalverify -->
<!-- invis4_0 -->
<!-- bob_pubkeyhash&#45;&gt;invis4_0 -->
<!-- stack5_pubkeyhash -->
<g id="node53" class="node"><title>stack5_pubkeyhash</title>
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<text text-anchor="middle" x="420" y="-254.9" font-family="Sans" font-size="14.00">Pk Hash</text>
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<!-- bob_pubkeyhash&#45;&gt;stack5_pubkeyhash -->
<!-- invis3_0 -->
<!-- bob_ophash&#45;&gt;invis3_0 -->
<!-- stack4_ophash -->
<g id="node57" class="node"><title>stack4_ophash</title>
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<text text-anchor="middle" x="310" y="-254.9" font-family="Sans" font-size="14.00">OP_HASH160</text>
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<!-- bob_ophash&#45;&gt;stack4_ophash -->
<!-- invis2_0 -->
<!-- bob_opdup&#45;&gt;invis2_0 -->
<!-- invis1_0 -->
<!-- bob_pubkey&#45;&gt;invis1_0 -->
<!-- stack2_pubkey -->
<g id="node64" class="node"><title>stack2_pubkey</title>
<ellipse fill="none" stroke="black" cx="114" cy="-115" rx="46.7546" ry="18"/>
<text text-anchor="middle" x="114" y="-110.9" font-family="Sans" font-size="14.00">PubKey</text>
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<!-- bob_pubkey&#45;&gt;stack2_pubkey -->
<!-- invis0_0 -->
<!-- bob_sig&#45;&gt;invis0_0 -->
<!-- invis0_1 -->
<!-- bob_sig&#45;&gt;invis0_1 -->
<g id="edge25" class="edge"><title>bob_sig&#45;&gt;invis0_1</title>
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<!-- invis0_0&#45;&gt;invis0_1 -->
<!-- invis0_2 -->
<!-- invis0_1&#45;&gt;invis0_2 -->
<!-- invis0_3 -->
<!-- invis0_2&#45;&gt;invis0_3 -->
<!-- stack1_sig -->
<g id="node66" class="node"><title>stack1_sig</title>
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<text text-anchor="middle" x="44" y="-38.9" font-family="Sans" font-size="14.00">Sig</text>
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<!-- invis0_3&#45;&gt;stack1_sig -->
<!-- invis1_1 -->
<!-- invis1_0&#45;&gt;invis1_1 -->
<!-- invis1_2 -->
<!-- invis1_1&#45;&gt;invis1_2 -->
<!-- invis1_2&#45;&gt;stack2_pubkey -->
<!-- invis2_0&#45;&gt;invis2_1 -->
<!-- stack3_opdup -->
<g id="node61" class="node"><title>stack3_opdup</title>
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<text text-anchor="middle" x="212" y="-182.9" font-family="Sans" font-size="14.00">OP_DUP</text>
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<!-- invis2_1&#45;&gt;stack3_opdup -->
<!-- invis3_0&#45;&gt;stack4_ophash -->
<!-- invis4_0&#45;&gt;stack5_pubkeyhash -->
<!-- invis5_1 -->
<!-- invis5_0&#45;&gt;invis5_1 -->
<!-- invis5_1&#45;&gt;stack7_opchecksig -->
<!-- invis6_0 -->
<!-- invis6_1 -->
<!-- invis6_0&#45;&gt;invis6_1 -->
<!-- invis6_2 -->
<!-- invis6_1&#45;&gt;invis6_2 -->
<!-- invis6_3 -->
<!-- invis6_2&#45;&gt;invis6_3 -->
<!-- invis6_4 -->
<!-- invis6_3&#45;&gt;invis6_4 -->
<!-- invis6_5 -->
<!-- invis6_4&#45;&gt;invis6_5 -->
<!-- TRUE -->
<g id="node87" class="node"><title>TRUE</title>
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<!-- invis6_5&#45;&gt;TRUE -->
<!-- invis6_6 -->
<!-- stack7_pubkey -->
<g id="node46" class="node"><title>stack7_pubkey</title>
<ellipse fill="lightgrey" stroke="black" cx="665" cy="-115" rx="46.7546" ry="18"/>
<text text-anchor="middle" x="665" y="-110.9" font-family="Sans" font-size="14.00">PubKey</text>
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<!-- stack7_opchecksig&#45;&gt;stack7_pubkey -->
<!-- stack7_opchecksig&#45;&gt;TRUE -->
<g id="edge86" class="edge"><title>stack7_opchecksig&#45;&gt;TRUE</title>
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<!-- stack7_pubkey&#45;&gt;stack7_opchecksig -->
<g id="edge100" class="edge"><title>stack7_pubkey&#45;&gt;stack7_opchecksig</title>
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<!-- stack7_sig -->
<g id="node47" class="node"><title>stack7_sig</title>
<ellipse fill="lightgrey" stroke="black" cx="665" cy="-43" rx="27" ry="18"/>
<text text-anchor="middle" x="665" y="-38.9" font-family="Sans" font-size="14.00">Sig</text>
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<!-- stack7_pubkey&#45;&gt;stack7_sig -->
<!-- stack7_sig&#45;&gt;stack7_pubkey -->
<g id="edge102" class="edge"><title>stack7_sig&#45;&gt;stack7_pubkey</title>
<path fill="none" stroke="black" d="M666.328,-61.4133C666.49,-69.0593 666.538,-78.1084 666.47,-86.5726"/>
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<!-- stack6_pubkeyhash -->
<g id="node49" class="node"><title>stack6_pubkeyhash</title>
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<text text-anchor="middle" x="539" y="-254.9" font-family="Sans" font-size="14.00">Pk Hash</text>
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<!-- stack6_opequalverify&#45;&gt;stack6_pubkeyhash -->
<!-- stack6_pubkeyhash&#45;&gt;stack6_opequalverify -->
<g id="edge96" class="edge"><title>stack6_pubkeyhash&#45;&gt;stack6_opequalverify</title>
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<!-- stack6_ophash -->
<g id="node50" class="node"><title>stack6_ophash</title>
<polygon fill="lightgrey" stroke="black" points="575,-205 503,-205 503,-169 575,-169 575,-205"/>
<text text-anchor="middle" x="539" y="-182.9" font-family="Sans" font-size="14.00">Pk Hash</text>
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<!-- stack6_pubkeyhash&#45;&gt;stack6_ophash -->
<!-- stack6_ophash&#45;&gt;stack6_pubkeyhash -->
<g id="edge98" class="edge"><title>stack6_ophash&#45;&gt;stack6_pubkeyhash</title>
<path fill="none" stroke="black" d="M540.328,-205.413C540.49,-213.059 540.538,-222.108 540.47,-230.573"/>
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<!-- stack6_pubkey -->
<g id="node51" class="node"><title>stack6_pubkey</title>
<ellipse fill="none" stroke="black" cx="539" cy="-115" rx="46.7546" ry="18"/>
<text text-anchor="middle" x="539" y="-110.9" font-family="Sans" font-size="14.00">PubKey</text>
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<!-- stack6_ophash&#45;&gt;stack6_pubkey -->
<!-- stack6_sig -->
<g id="node52" class="node"><title>stack6_sig</title>
<ellipse fill="none" stroke="black" cx="539" cy="-43" rx="27" ry="18"/>
<text text-anchor="middle" x="539" y="-38.9" font-family="Sans" font-size="14.00">Sig</text>
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<!-- stack6_pubkey&#45;&gt;stack6_sig -->
<!-- stack5_ophash -->
<g id="node54" class="node"><title>stack5_ophash</title>
<polygon fill="none" stroke="black" points="456,-205 384,-205 384,-169 456,-169 456,-205"/>
<text text-anchor="middle" x="420" y="-182.9" font-family="Sans" font-size="14.00">Pk Hash</text>
</g>
<!-- stack5_pubkeyhash&#45;&gt;stack5_ophash -->
<!-- stack5_pubkey -->
<g id="node55" class="node"><title>stack5_pubkey</title>
<ellipse fill="none" stroke="black" cx="420" cy="-115" rx="46.7546" ry="18"/>
<text text-anchor="middle" x="420" y="-110.9" font-family="Sans" font-size="14.00">PubKey</text>
</g>
<!-- stack5_ophash&#45;&gt;stack5_pubkey -->
<!-- stack5_sig -->
<g id="node56" class="node"><title>stack5_sig</title>
<ellipse fill="none" stroke="black" cx="420" cy="-43" rx="27" ry="18"/>
<text text-anchor="middle" x="420" y="-38.9" font-family="Sans" font-size="14.00">Sig</text>
</g>
<!-- stack5_pubkey&#45;&gt;stack5_sig -->
<!-- stack4_ophash&#45;&gt;stack5_ophash -->
<g id="edge92" class="edge"><title>stack4_ophash&#45;&gt;stack5_ophash</title>
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<!-- stack4_opdup -->
<g id="node58" class="node"><title>stack4_opdup</title>
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<text text-anchor="middle" x="310" y="-182.9" font-family="Sans" font-size="14.00">PubKey</text>
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<!-- stack4_ophash&#45;&gt;stack4_opdup -->
<!-- stack4_opdup&#45;&gt;stack4_ophash -->
<g id="edge94" class="edge"><title>stack4_opdup&#45;&gt;stack4_ophash</title>
<path fill="none" stroke="black" d="M311.328,-205.413C311.49,-213.059 311.538,-222.108 311.47,-230.573"/>
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<!-- stack4_pubkey -->
<g id="node59" class="node"><title>stack4_pubkey</title>
<ellipse fill="none" stroke="black" cx="310" cy="-115" rx="46.7546" ry="18"/>
<text text-anchor="middle" x="310" y="-110.9" font-family="Sans" font-size="14.00">PubKey</text>
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<!-- stack4_opdup&#45;&gt;stack4_pubkey -->
<!-- stack4_sig -->
<g id="node60" class="node"><title>stack4_sig</title>
<ellipse fill="none" stroke="black" cx="310" cy="-43" rx="27" ry="18"/>
<text text-anchor="middle" x="310" y="-38.9" font-family="Sans" font-size="14.00">Sig</text>
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<!-- stack4_pubkey&#45;&gt;stack4_sig -->
<!-- stack3_opdup&#45;&gt;stack4_opdup -->
<g id="edge88" class="edge"><title>stack3_opdup&#45;&gt;stack4_opdup</title>
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<!-- stack3_pubkey -->
<g id="node62" class="node"><title>stack3_pubkey</title>
<ellipse fill="lightgrey" stroke="black" cx="212" cy="-115" rx="46.7546" ry="18"/>
<text text-anchor="middle" x="212" y="-110.9" font-family="Sans" font-size="14.00">PubKey</text>
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<!-- stack3_opdup&#45;&gt;stack3_pubkey -->
<!-- stack3_pubkey&#45;&gt;stack3_opdup -->
<g id="edge90" class="edge"><title>stack3_pubkey&#45;&gt;stack3_opdup</title>
<path fill="none" stroke="black" d="M213.328,-133.413C213.49,-141.059 213.538,-150.108 213.47,-158.573"/>
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<!-- stack3_sig -->
<g id="node63" class="node"><title>stack3_sig</title>
<ellipse fill="none" stroke="black" cx="212" cy="-43" rx="27" ry="18"/>
<text text-anchor="middle" x="212" y="-38.9" font-family="Sans" font-size="14.00">Sig</text>
</g>
<!-- stack3_pubkey&#45;&gt;stack3_sig -->
<!-- stack2_sig -->
<g id="node65" class="node"><title>stack2_sig</title>
<ellipse fill="none" stroke="black" cx="114" cy="-43" rx="27" ry="18"/>
<text text-anchor="middle" x="114" y="-38.9" font-family="Sans" font-size="14.00">Sig</text>
</g>
<!-- stack2_pubkey&#45;&gt;stack2_sig -->
</g>
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