58 lines
1.2 KiB
JavaScript
58 lines
1.2 KiB
JavaScript
export default class SMTMemDb {
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constructor(F) {
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this.nodes = {};
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this.root = F.zero;
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this.F = F;
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}
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async getRoot() {
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return this.root;
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}
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_key2str(k) {
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const F = this.F;
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const keyS = this.F.toString(k);
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return keyS;
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}
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_normalize(n) {
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const F = this.F;
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for (let i=0; i<n.length; i++) {
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n[i] = this.F.e(n[i]);
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}
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}
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async get(key) {
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const keyS = this._key2str(key);
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return this.nodes[keyS];
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}
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async multiGet(keys) {
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const promises = [];
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for (let i=0; i<keys.length; i++) {
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promises.push(this.get(keys[i]));
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}
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return await Promise.all(promises);
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}
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async setRoot(rt) {
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this.root = rt;
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}
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async multiIns(inserts) {
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for (let i=0; i<inserts.length; i++) {
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const keyS = this._key2str(inserts[i][0]);
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this._normalize(inserts[i][1]);
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this.nodes[keyS] = inserts[i][1];
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}
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}
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async multiDel(dels) {
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for (let i=0; i<dels.length; i++) {
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const keyS = this._key2str(dels[i]);
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delete this.nodes[keyS];
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}
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}
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}
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