liquid-funding/app/components/TransfersGraph.jsx

92 lines
2.3 KiB
JavaScript

import Cytoscape from 'cytoscape'
import dagre from 'cytoscape-dagre'
import React, { Fragment } from 'react'
import CytoscapeComponent from 'react-cytoscapejs'
import { uniq, isNil } from 'ramda'
import { toEther } from '../utils/conversions'
import { getTokenLabel } from '../utils/currencies'
import { FundingContext } from '../context'
import { getAuthorizations } from '../selectors/vault'
Cytoscape.use(dagre)
const layout = { name: 'dagre' }
const stylesheet = [
{
selector: 'node',
style: {
width: 5,
height: 5,
fontSize: '5px',
color: 'blue',
label: 'data(label)'
}
},
{
selector: 'edge',
style: {
label: 'data(label)',
curveStyle: 'bezier',
targetArrowShape: 'triangle',
arrowScale: 0.5,
fontSize: '5px',
width: 1
}
}
]
const createElements = (transfers, vaultEvents) => {
if (isNil(transfers) || isNil(vaultEvents)) return []
const nodes = []
const edges = []
const authorizations = getAuthorizations(vaultEvents)
transfers.forEach(transfer => {
const { returnValues: { amount, from, to } } = transfer
nodes.push({
data: { id: from === '0' ? 'Create Funding' : from, label: `Pledge Id ${from}` }
})
nodes.push({
data: { id: to, label: `Pledge Id ${to}` }
})
edges.push({
data: { source: from === '0' ? 'Create Funding' : from, target: to, label: toEther(amount) }
})
})
authorizations.forEach(auth => {
const { returnValues: { amount, dest, token, ref } } = auth
const reference = Number(ref.slice(2)).toString()
if (!isNaN(reference)) {
nodes.push({
data: { id: dest, label: dest }
})
edges.push({
data: { source: reference, target: dest, label: `Withdraw ${toEther(amount)} ${getTokenLabel(token)}`}
})
}
})
return [
...uniq(nodes),
...edges
]
}
const TransfersGraph = () => {
return (
<FundingContext.Consumer>
{({ transfers, vaultEvents }) =>
<Fragment>
<CytoscapeComponent
elements={createElements(transfers, vaultEvents)}
style={ { width: '800px', height: '100%', fontSize: '14px' } }
stylesheet={stylesheet}
layout={layout}
/>
</Fragment>
}
</FundingContext.Consumer>
)
}
export default TransfersGraph