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Merge branch 'dev' into refactor/UI-UX-improvements
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‎contracts/deployments/arbitrum/BlockHashRNG.json

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{
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"address": "0x39D123fc4cFD24EA5bB76195f9ecFE1f0DF35b0B",
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"abi": [
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{
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"inputs": [
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{
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"internalType": "uint256",
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"name": "block",
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"type": "uint256"
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}
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],
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"name": "randomNumbers",
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"outputs": [
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{
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"internalType": "uint256",
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"name": "number",
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"type": "uint256"
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}
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],
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"stateMutability": "view",
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"type": "function"
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},
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{
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"inputs": [
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{
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"internalType": "uint256",
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"name": "_block",
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"type": "uint256"
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}
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],
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"name": "receiveRandomness",
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"outputs": [
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{
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"internalType": "uint256",
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"name": "randomNumber",
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"type": "uint256"
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}
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],
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"inputs": [
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{
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"internalType": "uint256",
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"name": "_block",
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"type": "uint256"
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}
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],
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"name": "requestRandomness",
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"outputs": [],
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"stateMutability": "nonpayable",
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"type": "function"
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}
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],
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"transactionHash": "0x6ef5328c567093fa94fc10f1b23dd73f62b533aaa2ceaaa676ae2e2a15adc83b",
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"receipt": {
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"to": null,
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"from": "0xf1C7c037891525E360C59f708739Ac09A7670c59",
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"contractAddress": "0x39D123fc4cFD24EA5bB76195f9ecFE1f0DF35b0B",
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"transactionIndex": 3,
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"gasUsed": "224305",
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"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"blockHash": "0xf88fbe2248f81d28c062b7380dcc474fb084e579a3766bc6ce77f5649187078b",
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"transactionHash": "0x6ef5328c567093fa94fc10f1b23dd73f62b533aaa2ceaaa676ae2e2a15adc83b",
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"logs": [],
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"blockNumber": 278824880,
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"cumulativeGasUsed": "584927",
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"status": 1,
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"byzantium": true
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},
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"args": [],
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"numDeployments": 1,
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"solcInputHash": "a5602534c00c2f67ca4b6a1cab8c717e",
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"metadata": "{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"block\",\"type\":\"uint256\"}],\"name\":\"randomNumbers\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"number\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_block\",\"type\":\"uint256\"}],\"name\":\"receiveRandomness\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"randomNumber\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_block\",\"type\":\"uint256\"}],\"name\":\"requestRandomness\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"author\":\"Cl\\u00e9ment Lesaege - <clement@lesaege.com>\",\"details\":\"Random Number Generator returning the blockhash with a fallback behaviour. In case no one called it within the 256 blocks, it returns the previous blockhash. This contract must be used when returning 0 is a worse failure mode than returning another blockhash. Allows saving the random number for use in the future. It allows the contract to still access the blockhash even after 256 blocks.\",\"kind\":\"dev\",\"methods\":{\"receiveRandomness(uint256)\":{\"details\":\"Return the random number. If it has not been saved and is still computable compute it.\",\"params\":{\"_block\":\"Block the random number is linked to.\"},\"returns\":{\"randomNumber\":\"The random number or 0 if it is not ready or has not been requested.\"}},\"requestRandomness(uint256)\":{\"details\":\"Request a random number.\",\"params\":{\"_block\":\"Block the random number is linked to.\"}}},\"title\":\"Random Number Generator using blockhash with fallback.\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"src/rng/BlockhashRNG.sol\":\"BlockHashRNG\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":100},\"remappings\":[]},\"sources\":{\"src/rng/BlockhashRNG.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity 0.8.24;\\n\\nimport \\\"./RNG.sol\\\";\\n\\n/// @title Random Number Generator using blockhash with fallback.\\n/// @author Cl\\u00e9ment Lesaege - <clement@lesaege.com>\\n/// @dev\\n/// Random Number Generator returning the blockhash with a fallback behaviour.\\n/// In case no one called it within the 256 blocks, it returns the previous blockhash.\\n/// This contract must be used when returning 0 is a worse failure mode than returning another blockhash.\\n/// Allows saving the random number for use in the future. It allows the contract to still access the blockhash even after 256 blocks.\\ncontract BlockHashRNG is RNG {\\n mapping(uint256 block => uint256 number) public randomNumbers; // randomNumbers[block] is the random number for this block, 0 otherwise.\\n\\n /// @dev Request a random number.\\n /// @param _block Block the random number is linked to.\\n function requestRandomness(uint256 _block) external override {\\n // nop\\n }\\n\\n /// @dev Return the random number. If it has not been saved and is still computable compute it.\\n /// @param _block Block the random number is linked to.\\n /// @return randomNumber The random number or 0 if it is not ready or has not been requested.\\n function receiveRandomness(uint256 _block) external override returns (uint256 randomNumber) {\\n randomNumber = randomNumbers[_block];\\n if (randomNumber != 0) {\\n return randomNumber;\\n }\\n\\n if (_block < block.number) {\\n // The random number is not already set and can be.\\n if (blockhash(_block) != 0x0) {\\n // Normal case.\\n randomNumber = uint256(blockhash(_block));\\n } else {\\n // The contract was not called in time. Fallback to returning previous blockhash.\\n randomNumber = uint256(blockhash(block.number - 1));\\n }\\n }\\n randomNumbers[_block] = randomNumber;\\n }\\n}\\n\",\"keccak256\":\"0xb2ae9b40700c5915c1cbe57dde68486b669cfea1fdfec18d5b42ffbde44031de\",\"license\":\"MIT\"},\"src/rng/RNG.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity 0.8.24;\\n\\ninterface RNG {\\n /// @dev Request a random number.\\n /// @param _block Block linked to the request.\\n function requestRandomness(uint256 _block) external;\\n\\n /// @dev Receive the random number.\\n /// @param _block Block the random number is linked to.\\n /// @return randomNumber Random Number. If the number is not ready or has not been required 0 instead.\\n function receiveRandomness(uint256 _block) external returns (uint256 randomNumber);\\n}\\n\",\"keccak256\":\"0xf92e0cf768afefc5cc6ef786c263b67dd00c021aa5753213dbbc33014adb68c5\",\"license\":\"MIT\"}},\"version\":1}",
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"bytecode": "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",
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"deployedBytecode": "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",
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"devdoc": {
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"author": "Clément Lesaege - <clement@lesaege.com>",
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"details": "Random Number Generator returning the blockhash with a fallback behaviour. In case no one called it within the 256 blocks, it returns the previous blockhash. This contract must be used when returning 0 is a worse failure mode than returning another blockhash. Allows saving the random number for use in the future. It allows the contract to still access the blockhash even after 256 blocks.",
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"kind": "dev",
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"methods": {
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"receiveRandomness(uint256)": {
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"details": "Return the random number. If it has not been saved and is still computable compute it.",
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"params": {
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"_block": "Block the random number is linked to."
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},
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"returns": {
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"randomNumber": "The random number or 0 if it is not ready or has not been requested."
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}
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},
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"requestRandomness(uint256)": {
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"details": "Request a random number.",
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"params": {
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"_block": "Block the random number is linked to."
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}
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}
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},
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"title": "Random Number Generator using blockhash with fallback.",
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"version": 1
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},
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"userdoc": {
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"kind": "user",
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"methods": {},
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"version": 1
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},
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"storageLayout": {
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"storage": [
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{
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"astId": 34790,
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"contract": "src/rng/BlockhashRNG.sol:BlockHashRNG",
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"label": "randomNumbers",
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"offset": 0,
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"slot": "0",
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"type": "t_mapping(t_uint256,t_uint256)"
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}
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],
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"types": {
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"t_mapping(t_uint256,t_uint256)": {
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"encoding": "mapping",
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"key": "t_uint256",
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"label": "mapping(uint256 => uint256)",
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"numberOfBytes": "32",
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"value": "t_uint256"
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},
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"t_uint256": {
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"encoding": "inplace",
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"label": "uint256",
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"numberOfBytes": "32"
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}
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}
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}
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}

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