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ether

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The ether package provides functions for interacting with the Ethereum network.

The details of the RPC interface along with curl examples of interacting with it are documented in the JSON RPC page on the Ethereum Wiki.

Installation

Install from GitHub using

# install.packages("devtools")
devtools::install_github("datawookie/ether")

Alternatively there is a stable version listed on CRAN.

Example

Load the package.

library(ether)

You’ll need to connect to an Ethereum node exposing a RPC interface. By default the package will attempt to connect to a node on localhost using port 8545. However, you can also make use of the public RPC nodes hosted by infura.io. Assuming that you have created an infura.io API key and stored it in the INFURA_MAINNET_KEY environment variable.

set_rpc_address("https://mainnet.infura.io/", key = Sys.getenv("INFURA_MAINNET_KEY"))

Once you’ve configured the connection to RPC you are ready to interact with the Ethereum blockchain.

eth_blockNumber()
#> [1] 9350538
eth_gasPrice()
#> 1 'mpfr' number of precision  32   bits 
#> [1] 1000000000
eth_getBalance("0xD34DA389374CAAD1A048FBDC4569AAE33fD5a375")
#> 1 'mpfr' number of precision  60   bits 
#> [1] 247878498530503149
eth_getTransactionCount("0xD34DA389374CAAD1A048FBDC4569AAE33fD5a375")
#> [1] 1150417

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An R package for working with Ethereum

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