mirror of
https://github.com/bitcoinbook/bitcoinbook
synced 2024-11-15 20:49:21 +00:00
0249c97460
- Provide rough block and year when 99% of all BTC will have been mined
- Remove user-stories section. I think this section frontloaded too
much irrelevant detail. In new sections of this edition, I've
exclusively used the convential Alice, Bob, Carol, etc.---without
trying to maintain a consistent backstory. This is simpler on the
writer and, I think, simpler on the reader---if they jump into a
section of the book, they don't need to worry that there's some
important context in a previous section.
- This also necessitated a few changes chapter 2.
- Mostly remove the phrase "custody". Instead use the phares "control
the key". I think this is clearer to non-specialists and a quick grep
shows that we don't use any version of the word "custody" elsewhere in
the book.
- Drop localbitcoins.com. This service was terminated after this
chapter was updated.
- Add 'feerate' to the script for catching forbidden words. :-( This
required a change to a comment in an image source.
- Other minor changes and typo fixes
140 lines
3.3 KiB
Gnuplot
140 lines
3.3 KiB
Gnuplot
set terminal pngcairo size 800,300 enhanced
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set output 'supply-demand.png'
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set xlabel 'Quantity'
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set ylabel 'Price'
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#set title 'Traditional Supply and Demand Curves'
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set xrange [0:120]
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set yrange [0:120]
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# Removing xtics and ytics
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unset xtics
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unset ytics
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# Supply and demand curves
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demand(x) = 0.005*x**2 + 20
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supply(x) = -0.005*x**2 + 100
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# Adding titles to the lines
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set label 1 'Supply' at 5, supply(5) offset 0,1
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set label 2 'Demand' at 5, demand(5) offset 0,-1
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plot supply(x) title '' with lines lc rgb 'black' lw 4, \
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demand(x) title '' with lines lc rgb 'grey' lw 4
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unset label 1
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unset label 2
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############
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set output 'supply-demand-constant.png'
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set xlabel 'Quantity'
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set ylabel 'Price'
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#set title 'Bitcoin Block Space Supply and Demand'
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set xrange [0:120]
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set yrange [0:120]
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# Removing xtics and ytics
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unset xtics
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unset ytics
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# Supply and demand curves
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demand(x) = 0.005*x**2 + 20
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supply(x) = 80
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# Adding titles to the lines
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set label 1 'Supply' at 5, supply(5) offset 0,1
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set label 2 'Demand' at 5, demand(5) offset 0,-1
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plot supply(x) title '' with lines lc rgb 'black' lw 4, \
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demand(x) title '' with lines lc rgb 'grey' lw 4
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unset label 1
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unset label 2
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####################
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set output 'fee-negative-feedback.png'
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set xlabel "Time"
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unset ylabel
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#set title 'Negative Feedback Loop'
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set xrange [0:20]
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set yrange [-1:1]
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# Removing xtics and ytics
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unset xtics
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unset ytics
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# Price and demand functions
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price(x) = exp(-x/10) * sin(x)
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demand(x) = -exp(-x/10) * sin(x)
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# Adding titles to the lines
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set label 1 'Price (fees)' at 5, price(5) offset -1,0.75
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set label 2 'Demand' at 5, demand(5) offset -1,-0.75
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#set label 'Equilibrium' at 20,0 offset 2,0
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# Equilibrium line
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equilibrium(x) = 0
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# Increasing the sample rate for smoother curves
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set samples 1000
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# Adding extra left margin
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#set rmargin at screen .8
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plot price(x) title '' with lines lc rgb 'black' lw 4, \
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demand(x) title '' with lines lc rgb 'grey' lw 4, \
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equilibrium(x) title 'Equilibrium' with lines lc rgb 'black' lw 2 dt "-"
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#######################
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set output 'fee-patience.png'
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unset label 1
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unset label 2
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set label 3 "Transactions at different fee rates" at 0.9999,0 font "Arial-Italic"
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set arrow 6 from 1,0.6 to 2.3,0.6 nohead lc rgb "black" dashtype 3 lw 2
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set arrow 7 from 1,0.3 to 2.7,0.3 nohead lc rgb "black" dashtype 3 lw 2
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#set arrow 8 from 1,-0.0 to 3.1,-0.0 nohead lc rgb "black" dashtype 3 lw 2
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set arrow 9 from 1,-0.3 to 3.55,-0.3 nohead lc rgb "black" dashtype 3 lw 2
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set arrow 10 from 1,-0.6 to 4.2,-0.6 nohead lc rgb "black" dashtype 3 lw 2
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set xrange [0.8:6]
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plot price(x) title 'Price (fees)' with lines lc rgb 'black' lw 4
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#demand(x) title '' with lines lc rgb 'grey' lw 4
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#############################
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set output 'equilibrium-change.png'
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set xrange [0:20]
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unset label 1
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unset label 3
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unset arrow 6
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unset arrow 7
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unset arrow 9
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unset arrow 10
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# Equilibrium line
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equilibrium(x) = exp(-x/5) * -1 + 0.25
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# Price and demand functions
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price(x) = exp(-x/10) * sin(x) + equilibrium(x)
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demand(x) = -exp(-x/10) * sin(x) + equilibrium(x)
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set label 1 'Price (fees)' at 5, price(5) offset -1.1,1.3
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set label 2 'Demand' at 5, demand(5) offset -1.1,-1.3
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plot price(x) title '' with lines lc rgb 'black' lw 4, \
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demand(x) title '' with lines lc rgb 'grey' lw 4, \
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equilibrium(x) title 'Equilibrium' with lines lc rgb 'black' lw 2 dt "-"
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