andylnkd
PatrickAlphaC
/ sampleContractCall.js
Created
November 4, 2020 02:41
Sample contract call and getting gas price from the fastgas chainlink contract
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| let ethers = require('ethers') | |
| let provider = new ethers.providers.JsonRpcProvider(process.env.KOVAN_RPC_URL) | |
| let address = '0x1510B61ba590751bB5dAa9757Bec1e8A0036E34f' | |
| let abi = [ | |
| { | |
| "inputs": [ | |
| { | |
| "internalType": "uint256", | |
| "name": "userProvidedSeed", |
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| 1. install postgres | |
| 2. run makedb.rb >tiles.csv | |
| 3. run tiles.sql | |
| 4. run archive.rb | |
| 5. enjoy |
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| # extracted from http//www.naturalearthdata.com/download/110m/cultural/ne_110m_admin_0_countries.zip | |
| # under public domain terms | |
| country_bounding_boxes = { | |
| 'AF': ('Afghanistan', (60.5284298033, 29.318572496, 75.1580277851, 38.4862816432)), | |
| 'AO': ('Angola', (11.6400960629, -17.9306364885, 24.0799052263, -4.43802336998)), | |
| 'AL': ('Albania', (19.3044861183, 39.624997667, 21.0200403175, 42.6882473822)), | |
| 'AE': ('United Arab Emirates', (51.5795186705, 22.4969475367, 56.3968473651, 26.055464179)), | |
| 'AR': ('Argentina', (-73.4154357571, -55.25, -53.628348965, -21.8323104794)), | |
| 'AM': ('Armenia', (43.5827458026, 38.7412014837, 46.5057198423, 41.2481285671)), |