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Elixir and Blockchain
— a Per ect Match?
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Mainframe
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MainframeOS
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Genesis Block
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Spoiler Aler :
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Spoiler Aler :
We chose Elixir
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Ethereum 101
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Ethereum 101
What is Ethereum?
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Ethereum 101
What is Ethereum?
What is a Blockchain?
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Ethereum 101
What is Ethereum?
What is a Blockchain?
What are Blocks?
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Blocks in a Blockchain
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How of en do new blocks
appear?
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How of en do new blocks
appear?
15 seconds
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How of en do new blocks
appear?
15 seconds (usually)
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What is Ethereum again?
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Smar Contracts
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What are Smar Contracts?
Computer Programs
Immutable
Deterministic
Run on EVM
Decentralized World Computer
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Popular Smar Contract use cases
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Popular Smar Contract use cases
Creating a new token
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Popular Smar Contract use cases
Creating a new token
Initial Coin Of erings (ICOs)
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Popular Smar Contract use cases
Creating a new token
Initial Coin Of erings (ICOs)
Decentralized Exchanges
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Emerging Smar Contract use cases
Fun
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Emerging Smar Contract use cases
Fun
Utility Tokens
(Brave & BAT)
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Emerging Smar Contract use cases
Fun
Utility Tokens
(Brave & BAT)
Decentralised Finance
(Lending/Borrowing)
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Fun?
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ht ps:// .cryptokit ies.co/
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Creating your own token
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Smar Contract Programming Languages
Solidity
Serpent
Vyper
Mutan
Bamboo
Flint
Lisp Like Language (LLL)
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ht ps://github.com/OpenZeppelin/openzeppelin-contracts
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pragma solidity ^0.4.21;
import "openzeppelin-solidity/contracts/token/ERC20/StandardToken.sol";
// CodeBEAMToken is a basic ERC20 Token
contract CodeBEAMToken is StandardToken {
string public name;
string public symbol;
uint32 public decimals;
uint256 public totalSupply;
constructor() public {
name = "Code BEAM Token";
symbol = "BEAM";
decimals = 18;
totalSupply = 1000000 ether; // 1 million, 18 decimals (ether = 10^18)
owner = msg.sender;
balances[msg.sender] = totalSupply;
emit Transfer(0x0, msg.sender, totalSupply);
}
}
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What tools are typically used to build
Smar Contracts?
Truf le Suite:
Truf le
Ganache
Drizzle
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ht ps:// .truf lesuite.com/
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What tools are typically used to interact
with Ethereum?
web3.js
ethers.js
eth.js
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Back to Elixir
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What tools are available in Elixir?
ethereumex
exw3
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ht ps://github.com/hswick/exw3
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Are there other projects
which use Elixir?
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BlockScout
ht ps://blockscout.com/eth/mainnet/
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New Blockchains
Ellipticoin
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New Blockchains
Ellipticoin
æternity
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Mana
Full Ethereum node implementation
Aims to be al ernative to Geth and Parity
100% implemented in Elixir
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Benefits of using Elixir
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Benefits of using Elixir
Managing many concurrent connections
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Benefits of using Elixir
Managing many concurrent connections
Dealing with failures of those peers
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Benefits of using Elixir
Managing many concurrent connections
Dealing with failures of those peers
Serving many requests as a gateway
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Benefits of using Elixir
Managing many concurrent connections
Dealing with failures of those peers
Serving many requests as a gateway
Quickly reacting to blockchain events
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Cases where Elixir is not suitable
Proof of work mining
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Cases where Elixir is not suitable
Proof of work mining
(But this can be of loaded to NIFs)
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Elixir and Blockchain
— a Per ect Match?
Miloš Mošić ht ps://milosmosic.com
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Thank You!
Questions?
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