0hmX/am3352

scripts/prepare-ddr-d14-checked-transition.ts

/** Revalidate the existing checked CPU-prefix template against the revised RAM board. */
import{readFileSync,writeFileSync,mkdirSync}from'node:fs'
import{resolve}from'node:path'
import{createHash}from'node:crypto'
import{planDdrGroundAntipads}from'./ddr-ground-plane-antipads'
import{verifyDdrSystemCopper}from'./check-ddr-system-copper'
import{auditHostSelfContacts}from'./audit-ddr-host-self-contacts'
import{classifyHostFixedContact}from'./audit-ddr-host-fixed-contacts'
const[dir,templateDir,out]=process.argv.slice(2),bound:Record<string,string>={},fh=(p:string)=>createHash('sha256').update(readFileSync(p)).digest('hex'),read=(p:string)=>{p=resolve(p);bound[p]=fh(p);return JSON.parse(readFileSync(p,'utf8'))},hash=(x:any)=>createHash('sha256').update(JSON.stringify(x)).digest('hex'),c=read(resolve(dir,'candidate.circuit.json')),h=read(resolve(dir,'host-bundle.json')),i=read(resolve(dir,'routing-input.json')),r=read(resolve(dir,'report.json')),old=read(resolve(templateDir,'report.json')),connection=i.connections.find((c:any)=>c.source_trace_id==='source_trace_692'),source=connection.pointsToConnect.find((p:any)=>p.x>0),target=connection.pointsToConnect.find((p:any)=>p.x<0),trace={...old.trace,route:old.trace.route.map((p:any)=>p.route_type==='via'?{...p,to_layer:target.layer}:p.layer==='inner6'?{...p,layer:target.layer}:p)},viaPoint=trace.route.find((p:any)=>p.route_type==='via'),via={x:viaPoint.x,y:viaPoint.y}
if(!r.accepted||!old.accepted||r.captureHash!==old.captureHash||h.traces.length!==15||source.layer!=='inner4'||!['inner2','inner6'].includes(target.layer)||trace.source_trace_id!==connection.source_trace_id||Math.hypot(trace.route[0].x-source.x,trace.route[0].y-source.y)>1e-7)throw Error('Template/current source differs')
const planes=planDdrGroundAntipads(c.filter((e:any)=>e.type==='pcb_copper_pour'),[{x:via.x,y:via.y,net:'DDR_D14'}]),ids=new Set(h.traces.map((t:any)=>t.pcb_trace_id)),fixed=c.filter((e:any)=>!ids.has(e.pcb_trace_id)&&e.type!=='pcb_copper_pour'),physical=verifyDdrSystemCopper([...fixed,...planes.planes],[...h.traces,trace],i.connections,{},50,{reportSameNetContacts:true}),contacts=(physical.sameNetContacts??[]).filter((x:any)=>x.aShape.traceId===trace.pcb_trace_id||x.bShape.traceId===trace.pcb_trace_id).map(x=>classifyHostFixedContact(x,trace)),endpoint=c.find((e:any)=>e.pcb_breakout_point_id===source.pointId),same=(p:any)=>p.layer===source.layer&&Math.hypot(p.x-source.x,p.y-source.y)<1e-7,terminalOnly=contacts.length===1&&contacts.every(x=>{const saved=fixed.find((e:any)=>e.type==='pcb_trace'&&e.pcb_trace_id===x.fixedTraceId);return saved?.source_trace_id===endpoint?.source_trace_id&&same(saved.route.at(-1))&&[x.hostShape.a,x.hostShape.b].some(same)&&[x.fixedShape.a,x.fixedShape.b].some(same)}),selfContacts=auditHostSelfContacts([...h.traces,trace]),clean=terminalOnly&&selfContacts.valid&&!physical.errors.length&&!physical.violations.length&&physical.angles.valid&&!physical.joinedBends.length
const planar=(r:any[])=>r.slice(1).reduce((n:number,b:any,j:number)=>{const a=r[j];return n+(a.route_type==='wire'&&b.route_type==='wire'&&a.layer===b.layer?Math.hypot(a.x-b.x,a.y-b.y):0)},0),escape=(p:any)=>{const e=c.find((e:any)=>e.pcb_breakout_point_id===p.pointId),t=c.find((e:any)=>e.type==='pcb_trace'&&e.source_trace_id===c.find((x:any)=>x.pcb_breakout_point_id===p.pointId)?.source_trace_id);if(!e||!t)throw Error('Missing source escape');return planar(t.route)},dx=Math.abs(via.x-target.x),dy=Math.abs(via.y-target.y),budget={ramEscapeMm:escape(target),cpuEscapeMm:escape(source),transitionMm:planar(trace.route),remainingOctileMm:Math.max(dx,dy)+(Math.SQRT2-1)*Math.min(dx,dy),nominalMm:27.3001,targetPlanarMm:27}
mkdirSync(out,{recursive:true});writeFileSync(resolve(out,'transition-plan.json'),JSON.stringify({captureHash:r.captureHash,parentCircuitSha256:hash(c),hostTracesSha256:hash(h.traces),inputHashes:bound,connection,accepted:clean?[{trace,via,source,target,budget,terminalOnly,selfContacts,contacts,addedAntipads:planes.added}]:[],physical,scope:'Existing exact checked CPU-prefix template revalidated; D14RAMinner6 continuation still pending.'},null,2));writeFileSync(resolve(out,'planes.json'),JSON.stringify(planes.planes,null,2));for(const[p,h]of Object.entries(bound))if(fh(p)!==h)throw Error('Input changed');console.log(JSON.stringify({clean,budget,errors:physical.errors.length,violations:physical.violations.length}));if(!clean)process.exitCode=1