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116 lines
3.1 KiB
TeX
116 lines
3.1 KiB
TeX
% using the PGF/TikZ package with pdflatex
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\documentclass{standalone}
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\usepackage[utf8]{inputenc}
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\usepackage[T1]{fontenc}
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%~ \usepackage[english]{babel}
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\usepackage[none]{hyphenat}% prevent hyphenation
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\usepackage{lmodern}
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\renewcommand*\familydefault{\sfdefault}
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\usepackage{tikz}
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\usetikzlibrary{shapes,arrows.meta}
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\tikzset{>=latex}
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%\pgfdeclarelayer{bg} % declare background layer
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%\pgfsetlayers{bg,main} % set order of layers
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\newcommand{\h}{\hspace{1em}}
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\begin{document}
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% \sffamily{}
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\tikzstyle{block_center} =
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[rectangle, draw=black, thick, fill=white,
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text width=10.5em, text centered,
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minimum height=1em]
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\tikzstyle{block_rounded} = [rectangle,
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draw=black, thick, fill=white,
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text width=8em, text centered,
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minimum height=5em,
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rounded corners]
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\begin{tikzpicture}[auto]
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% outlining the flowchart on a grid
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\matrix[column sep=3ex,row sep=2.5ex]{
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\h &
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\node [block_center] (R1)
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{Alice, Bob and Carol
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wish to spend from a
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2-of-3 Multisig.};
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& \h \\
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\h &
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\node [block_center] (R2)
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{Alice uses a full node
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to create a PSBT with
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all input UTXOs filled in.};
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& \h \\
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\h &
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\node [block_center] (R3)
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{PSBT distributed.};
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& \h \\
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\node [block_center] (R4C1)
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{Alice signs the
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PSBT with her wallet.};
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&
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\node [block_center] (R4C2)
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{Bob signs the PSBT
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with his SPV wallet.};
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&
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\node [block_center] (R4C3)
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{Carol signs the PSBT
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with a completely
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offline signing machine.};
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\\
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%~ \h & \node (blind) & \h \\
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\h &
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\node [block_center] (R5)
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{PSBTs are returned
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to Alice.};
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& \h \\
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\h &
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\node [block_center] (R6)
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{Alices combines the
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PSBTs. All inputs now
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have 3 signatures.};
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& \h \\
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\h &
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\node [block_center] (R7)
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{Alice finalizes the PSBT
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by creating each input's
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final scriptSig. One signature
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for each input is dropped.};
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& \h \\
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\h &
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\node [block_rounded] (stop)
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{Alice extracts the network
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serialized transaction and
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broadcasts it to the network.};
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& \h \\
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};% end matrix
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% connecting nodes with paths
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% \begin{pgfonlayer}{bg}
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\draw [ultra thick, draw=black, -{Stealth[length=8pt]}]
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(R1) edge (R2)
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(R2) edge (R3)
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(R3) -| (R4C1)
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(R3) edge (R4C2)
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(R5) edge (R6)
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(R6) edge (R7)
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(R7) edge (stop);
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\draw [thin, white, -{Stealth[color=black, fill=white, length=8pt]}]
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(R1) edge (R2)
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(R2) edge (R3)
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(R3) -| (R4C1)
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(R3) edge (R4C2)
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(R5) edge (R6)
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(R6) edge (R7)
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(R7) edge (stop);
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% circumvent missing arrow
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\draw [ultra thick, draw=black, -{Stealth[length=8pt]}]
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(R4C1) |-+(0,-2.2em)-| (R5)
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(R4C2) edge (R5)
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(R4C3) |-+(0,-2.2em)-| (R5)
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(R3) -| (R4C3);
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\draw [thin, white, -{Stealth[color=black, fill=white, length=8pt]}]
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(R4C1) |-+(0,-2.2em)-| (R5)
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(R4C2) edge (R5)
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(R4C3) |-+(0,-2.2em)-| (R5)
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(R3) -| (R4C3);
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% \end{pgfonlayer}
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\end{tikzpicture}
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\end{document}
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