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mirror of https://github.com/oceanprotocol/market.git synced 2024-12-02 05:57:29 +01:00

Feature: SVG Generator (#1032)

* use smaller SVG for publishing test, siwtch to Buffer encoding/decoding

* shorter NFT name & symbol

* fix: fix small test svg

* feat: first draft random wave svg generation

* refactor: utilize join to remove unecessary ',' separator

* feature: add gas cost estimation for nft artwork

* refacotr: allow fillColor as array and adjust opacity

* refactor: adjust random wave generation

* refactor: change nft help text

* refactor: trying tooltip for nft image info

* feat: add custom algorithm to generate svg waves

* fix: use text colors for nft form field svgs

* refactor: code cleanup nft utils

* refactor: improve readability

* refactor: improve comment

* refactor: (re)move comments, cleanup

* refactor: remove console log

* refactor: adjust default svg wave values & remove logging

* refactor: tweak default SvgWave prop values

* fix: svg preview with disconnected wallet

* feat: show artwork gas fee estimation in user preferred currency

* refactor: extract gas fee estimation logic to new component

* cleanup: remove oceanWaves, remove d3

* icon visual weight tweak

Co-authored-by: Luca Milanese <luca.milanese90@gmail.com>
Co-authored-by: Matthias Kretschmann <m@kretschmann.io>
This commit is contained in:
Moritz Kirstein 2022-02-14 13:16:29 +01:00 committed by GitHub
parent fc1f396c96
commit d688b81a80
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 388 additions and 794 deletions

1
.gitignore vendored
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@ -11,6 +11,7 @@ coverage
repo-metadata.json
networks-metadata.json
src/@types/subgraph
src/@types/apollo/
graphql.schema.json
src/@types/graph.types.ts
tsconfig.tsbuildinfo

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@ -6,7 +6,7 @@
"name": "nft",
"label": "Data NFT",
"type": "nft",
"help": "All metadata is stored on-chain in a newly deployed ERC-721 contract representing this asset, created with this name & symbol.",
"help": "All metadata is stored on-chain in a newly deployed ERC-721 contract representing this asset, created with this name, symbol, description and image.",
"required": true
},
{

706
package-lock.json generated
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@ -37140,14 +36471,6 @@
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View File

@ -30,7 +30,6 @@
"bignumber.js": "^9.0.2",
"chart.js": "^3.7.0",
"classnames": "^2.3.1",
"d3": "^7.3.0",
"date-fns": "^2.28.0",
"decimal.js": "^10.3.1",
"dom-confetti": "^0.2.2",

190
src/@utils/SvgWaves.ts Normal file
View File

@ -0,0 +1,190 @@
import { computeControlPoints } from './bezier-spline'
import { randomIntFromInterval } from './numbers'
export interface WaveProperties {
width?: number
height?: number
color?: string
fill?: boolean
layerCount?: number
pointsPerLayer?: number
variance?: number
maxOpacity?: number
opacitySteps?: number
}
class Point {
x: number
y: number
constructor(x: number, y: number) {
this.x = Math.floor(x)
this.y = Math.floor(y)
}
}
enum WaveColors {
Violet = '#e000cf',
Pink = '#ff4092',
Grey = '#8b98a9'
}
export class SvgWaves {
properties: WaveProperties
layers: Point[][]
static xmlns = 'http://www.w3.org/2000/svg'
/**
* Helper function to get randomly generated WaveProperties
* These are generated with a focus on small file size for the svg
* meaning low character count.
* - width & height: default is 2 digits max (99)
* - color pink is selected per default
* - randomly decide if fill or stroke coloring should be used
* - create 4 layers with 4 - 5 points per layers
* -> results in random looking, yet small enough svgs
* - variance between 0.5 and 0.7 returns smooth & different results
*
* @returns new randomly generated WaveProperties
*/
static getProps(): WaveProperties {
return {
width: 99,
height: 99,
color: WaveColors.Pink,
fill: Math.random() < 0.5, // random true or false
layerCount: 4,
pointsPerLayer: randomIntFromInterval(3, 4),
variance: Math.random() * 0.2 + 0.5, // 0.5 - 0.7
maxOpacity: 255, // 0xff
opacitySteps: 68 // 0x44
}
}
static generatePoint(
x: number,
y: number,
moveX: number,
moveY: number,
width: number
): Point {
const varianceY = y - moveY / 2 + Math.random() * moveY
const varianceX =
x === 0 || x === width ? x : x - moveX / 2 + Math.random() * moveX
return new Point(varianceX, varianceY)
}
constructor() {
this.properties = SvgWaves.getProps()
this.layers = this.generateLayers()
}
generateLayers(): Point[][] {
const { width, height, layerCount, pointsPerLayer, variance } =
this.properties
const cellWidth = width / pointsPerLayer
const cellHeight = height / layerCount
// define movement constraints for point generation
// lower smoothness results in steeper curves in waves
const horizontalSmoothness = 0.5
const moveX = cellWidth * variance * (1 - horizontalSmoothness)
const moveY = cellHeight * variance
const layers = []
for (let y = cellHeight; y < height; y += cellHeight) {
const points = []
for (let x = 0; x <= width; x += cellWidth) {
points.push(SvgWaves.generatePoint(x, y, moveX, moveY, width))
}
layers.push(points)
}
return layers
}
generateSvg(): Element {
const svg = document.createElementNS(SvgWaves.xmlns, 'svg')
svg.setAttribute('width', this.properties.width.toString())
svg.setAttribute('height', this.properties.height.toString())
svg.setAttribute('fill', this.properties.fill ? undefined : 'transparent')
svg.setAttribute('xmlns', SvgWaves.xmlns)
for (let i = 0; i < this.layers.length; i++) {
const path = this.generatePath(
this.layers[i],
this.getOpacityForLayer(i + 1)
)
svg.appendChild(path)
}
return svg
}
generatePath(points: Point[], opacity = 'ff'): Element {
const xPoints = points.map((p) => Math.floor(p.x))
const yPoints = points.map((p) => Math.floor(p.y))
// get bezier control points
const xControlPoints = computeControlPoints(xPoints)
const yControlPoints = computeControlPoints(yPoints)
// Should the path be closed & filled or stroke only
const closed = this.properties.fill
// For closed paths define bottom corners as start & end point
const bottomLeftPoint = new Point(0, this.properties.height)
const bottomRightPoint = new Point(
this.properties.width,
this.properties.height
)
const startPoint = closed ? bottomLeftPoint : points[0]
const endPoint = closed ? bottomRightPoint : points[points.length - 1]
// start constructing the 'd' attribute for the <path>
let path = `M${startPoint.x},${startPoint.y}`
// if starting in bottom corner, move to start of wave first
if (closed) path += `L${xPoints[0]},${yPoints[0]}`
// add path curves
for (let i = 0; i < xPoints.length - 1; i++) {
path +=
`C${xControlPoints.p1[i]},${yControlPoints.p1[i]} ` +
`${xControlPoints.p2[i]},${yControlPoints.p2[i]} ` +
`${xPoints[i + 1]},${yPoints[i + 1]}`
}
path = closed
? `${path}L${endPoint.x},${endPoint.y}Z` // if closing in bottom corners move there and close
: `${path}AZ` // else just close the path
// create the path element
const svgPath = document.createElementNS(SvgWaves.xmlns, 'path')
const colorStyle = closed ? 'fill' : 'stroke'
svgPath.setAttributeNS(
null,
colorStyle,
`${this.properties.color}${opacity}`
)
svgPath.setAttributeNS(null, 'd', path)
return svgPath
}
getOpacityForLayer(layer: number): string {
const { layerCount, maxOpacity, opacitySteps } = this.properties
const minOpacity = maxOpacity - (layerCount - 1) * opacitySteps
// calculate decimal opacity value for layer
const opacityDec = minOpacity + layer * opacitySteps
// translate to hex string
return opacityDec.toString(16)
}
setProps(properties: WaveProperties): void {
this.properties = { ...SvgWaves.getProps(), ...properties }
this.layers = this.generateLayers()
}
}

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@ -0,0 +1,63 @@
/* bezier-spline.js
*
* computes cubic bezier coefficients to generate a smooth
* line through specified points. couples with SVG graphics
* for interactive processing.
*
* For more info see:
* http://www.particleincell.com/2012/bezier-splines/
*
* Lubos Brieda, Particle In Cell Consulting LLC, 2012
* you may freely use this algorithm in your codes however where feasible
* please include a link/reference to the source article
*/
/* computes control points given knots K, this is the brain of the operation */
export function computeControlPoints(K: number[]) {
const p1 = []
const p2 = []
const n = K.length - 1
/* rhs vector */
const a = []
const b = []
const c = []
const r = []
/* left most segment */
a[0] = 0
b[0] = 2
c[0] = 1
r[0] = K[0] + 2 * K[1]
/* internal segments */
for (let i = 1; i < n - 1; i++) {
a[i] = 1
b[i] = 4
c[i] = 1
r[i] = 4 * K[i] + 2 * K[i + 1]
}
/* right segment */
a[n - 1] = 2
b[n - 1] = 7
c[n - 1] = 0
r[n - 1] = 8 * K[n - 1] + K[n]
/* solves Ax=b with the Thomas algorithm (from Wikipedia) */
for (let i = 1; i < n; i++) {
const m: number = a[i] / b[i - 1]
b[i] = b[i] - m * c[i - 1]
r[i] = r[i] - m * r[i - 1]
}
p1[n - 1] = r[n - 1] / b[n - 1]
for (let i = n - 2; i >= 0; --i) p1[i] = (r[i] - c[i] * p1[i + 1]) / b[i]
/* we have p1, now compute p2 */
for (let i = 0; i < n - 1; i++) p2[i] = 2 * K[i + 1] - p1[i + 1]
p2[n - 1] = 0.5 * (K[n] + p1[n - 1])
return { p1: p1.map((p) => Math.floor(p)), p2: p2.map((p) => Math.floor(p)) }
}

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@ -1,4 +1,4 @@
import { renderStaticWaves } from './oceanWaves'
import { SvgWaves } from './SvgWaves'
// https://docs.opensea.io/docs/metadata-standards
export interface NftMetadata {
@ -21,6 +21,7 @@ function encodeSvg(svgString: string): string {
? '<svg'
: '<svg xmlns="http://www.w3.org/2000/svg"'
)
.replace('></path>', '/>')
.replace(/"/g, "'")
.replace(/%/g, '%25')
.replace(/#/g, '%23')
@ -32,41 +33,40 @@ function encodeSvg(svgString: string): string {
}
export function generateNftMetadata(): NftMetadata {
// TODO: crop image properly in the end as generated SVG waves are a super-wide image,
// and add a filled background deciding on either black or white.
const image = renderStaticWaves()
// const image = new XMLSerializer().serializeToString(waves)
// const image = `<svg><path d="M0 10.4304L16.3396 10.4304L8.88727 17.6833L10.2401 19L20 9.5L10.2401 0L8.88727 1.31491L16.3396 8.56959L0 8.56959V10.4304Z" /></svg>`
const waves = new SvgWaves()
const svg = waves.generateSvg()
// TODO: figure out if also image URI needs base64 encoding
// e.g. 'data:image/svg+xml;base64,'
// generated SVG embedded as 'data:image/svg+xml' and encoded characters
const imageData = `data:image/svg+xml,${encodeSvg(svg.outerHTML)}`
const newNft: NftMetadata = {
name: 'Ocean Asset v4 NFT',
name: 'Ocean Asset NFT',
symbol: 'OCEAN-NFT',
description: `This NFT represents an asset in the Ocean Protocol v4 ecosystem.`,
// TODO: ideally this includes the final DID
external_url: 'https://market.oceanprotocol.com',
background_color: '141414', // dark background
// TODO: figure out if also image URI needs base64 encoding
// generated SVG embedded as 'data:image/svg+xml' and encoded characters
image_data: `data:image/svg+xml,${encodeSvg(image)}`
// generated SVG embedded as 'data:image/svg+xml;base64'
// image: `data:image/svg+xml;base64,${window?.btoa(image)}`
// image: `data:image/svg+xml;base64,${Buffer.from(image).toString('base64')}`
image_data: imageData
}
return newNft
}
export function generateNftCreateData(nftMetadata: NftMetadata): any {
// TODO: figure out if Buffer.from method is working in browser in final build
// as BTOA is deprecated.
// tokenURI: window?.btoa(JSON.stringify(nftMetadata))
const encodedMetadata = Buffer.from(JSON.stringify(nftMetadata)).toString(
'base64'
)
const nftCreateData = {
name: nftMetadata.name,
symbol: nftMetadata.symbol,
templateIndex: 1,
// Gas estimation fails if we add our huge tokenURI
tokenURI: '{url:"https://coolImage.com, name: "just for test"}'
// TODO: figure out if Buffer.from method is working in browser in final build
// as BTOA is deprecated.
// tokenURI: window?.btoa(JSON.stringify(nftMetadata))
// tokenURI: Buffer.from(JSON.stringify(nftMetadata)).toString('base64') // should end up as data:application/json;base64
tokenURI: `data:application/json;base64,${encodedMetadata}`
}
return nftCreateData

View File

@ -24,3 +24,9 @@ export function compareAsBN(balance: string, price: string): boolean {
return false
}
}
// Random number from interval
export function randomIntFromInterval(min: number, max: number): number {
// min and max are included
return Math.floor(Math.random() * (max - min + 1) + min)
}

View File

@ -1,49 +0,0 @@
import * as d3 from 'd3'
/*
* Ocean Protocol D3 waves
* https://oceanprotocol.com/art
* Based off of Bostock's Circle Wave
* https://bl.ocks.org/mbostock/2d466ec3417722e3568cd83fc35338e3
*/
export function renderStaticWaves(): string {
const svg = d3.create('svg')
const width = 1000
const height = 250
const x = d3.scaleLinear().range([0, width])
const angles = d3.range(Math.random(), 4 * Math.PI, Math.PI / 20)
const path = svg
// .append('rect')
// .attr('fill', '#fff')
// .attr('width', '100%')
// .attr('height', '100%')
.append('g')
.attr('transform', `translate(${width / -4}, ${height / 2})`)
.attr('fill', 'none')
.attr('stroke-width', 2)
.selectAll('path')
.data(['#FF4092', '#E000CF', '#8B98A9', '#E2E2E2'])
.enter()
.append('path')
.attr('stroke', (d) => d)
.style('mix-blend-mode', 'darken')
.datum((d, i) => {
return d3
.line()
.curve(d3.curveBasisOpen)
.x((angles: any) => x(angles / 4))
.y((angles: any) => {
const t = d3.now() / 3000
return (
Math.cos(angles * 8 - (i * 2 * Math.PI) / 10 + t) *
Math.pow((2 + Math.cos(angles - t)) / 2, 4) *
15
)
})
})
path.attr('d', (d) => d(angles as any))
return `<svg>${svg.node().innerHTML}</svg>`
}

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@ -0,0 +1,67 @@
import React, { ReactElement, useEffect, useState } from 'react'
import { usePrices } from '@context/Prices'
import { useWeb3 } from '@context/Web3'
import useNftFactory from '@hooks/contracts/useNftFactory'
import { NftFactory } from '@oceanprotocol/lib'
import Conversion from '@shared/Price/Conversion'
import { generateNftCreateData, NftMetadata } from '@utils/nft'
const getEstGasFee = async (
address: string,
nftFactory: NftFactory,
nftMetadata: NftMetadata,
ethToOceanConversionRate: number
): Promise<string> => {
if (!address || !nftFactory || !nftMetadata || !ethToOceanConversionRate)
return
const { web3 } = nftFactory
const nft = generateNftCreateData(nftMetadata)
const gasPrice = await web3.eth.getGasPrice()
const gasLimit = await nftFactory?.estGasCreateNFT(address, nft)
const gasFeeEth = web3.utils.fromWei(
(+gasPrice * +gasLimit).toString(),
'ether'
)
const gasFeeOcean = (+gasFeeEth / +ethToOceanConversionRate).toString()
return gasFeeOcean
}
export default function TxFee({
nftMetadata
}: {
nftMetadata: NftMetadata
}): ReactElement {
const { accountId } = useWeb3()
const { prices } = usePrices()
const nftFactory = useNftFactory()
const [gasFee, setGasFee] = useState('')
useEffect(() => {
const calculateGasFee = async () =>
setGasFee(
await getEstGasFee(
accountId,
nftFactory,
nftMetadata,
(prices as any)?.eth
)
)
calculateGasFee()
}, [accountId, nftFactory, nftMetadata, prices])
return gasFee ? (
<p>
Gas fee estimation for this artwork
<Conversion price={gasFee} />
</p>
) : accountId ? (
<p>
An error occurred while estimating the gas fee for this artwork, please
try again.
</p>
) : (
<p>Please connect your wallet to get a gas fee estimate for this artwork</p>
)
}

View File

@ -21,14 +21,23 @@
position: relative;
}
.refresh {
.actions {
position: absolute;
right: calc(var(--spacer) / 4);
bottom: calc(var(--spacer) / 4);
left: 0;
bottom: 0;
padding: 0 calc(var(--spacer) / 4);
display: flex;
justify-content: space-between;
align-items: center;
width: 100%;
}
.actions svg {
margin: 0;
fill: var(--font-color-text);
}
.refresh svg {
fill: var(--brand-pink);
width: var(--font-size-mini);
height: var(--font-size-mini);
transform: scale(0.9);
transform-origin: center;
}

View File

@ -5,35 +5,43 @@ import { useField } from 'formik'
import React, { ReactElement, useEffect } from 'react'
import Refresh from '@images/refresh.svg'
import styles from './index.module.css'
import Tooltip from '@shared/atoms/Tooltip'
import TxFee from './TxFee'
export default function Nft(props: InputProps): ReactElement {
const [field, meta, helpers] = useField(props.name)
const refreshNftMetadata = () => {
const nftMetadata = generateNftMetadata()
helpers.setValue({ ...nftMetadata })
}
// Generate on first mount
useEffect(() => {
if (field.value?.name !== '') return
const nftOptions = generateNftMetadata()
helpers.setValue({ ...nftOptions })
refreshNftMetadata()
}, [field.value?.name])
return (
<div className={styles.nft}>
<figure className={styles.image}>
<img src={field?.value?.image_data} width="128" height="128" />
<Button
style="text"
size="small"
className={styles.refresh}
title="Generate new image"
onClick={(e) => {
e.preventDefault()
const nftMetadata = generateNftMetadata()
helpers.setValue({ ...nftMetadata })
}}
>
<Refresh />
</Button>
<div className={styles.actions}>
<Tooltip content={<TxFee nftMetadata={field.value} />} />
<Button
style="text"
size="small"
className={styles.refresh}
title="Generate new image"
onClick={(e) => {
e.preventDefault()
refreshNftMetadata()
}}
>
<Refresh />
</Button>
</div>
</figure>
<div className={styles.token}>